for ; the home 
 
 gfaflKii 
 
Standard Insulating Lumber 
 
 ^Piaster Lath ,▼ 
 
 Hoof Insulation. 
 Industrial Board 
 
 IT INSULATES 
 AS IT BUILDS 
 
 ■—A Product of 
 
 IPlR II t IE IBlROfH IE IRS & Company Limited- 
 
 Q uebec-Canada 
 Established; over 100years 
 

 A V A V A A V A V A V A V A X A A V 
 
 * QDCDFd RdACODRJA 
 
 y X A X A X' A X A X A x A X A 'X A X' ▲ V A > 
 
 A V A V 
 
 Insulates as It 'builds 
 
 A V A X 
 
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 DONNACONA is a combined insulating and 
 building board—an all-wood product of Price 
 Brothers & Company Limited, the oldest forest 
 products organization in Canada. 
 
 DONNACONA combines maximum insulating 
 efficiency with permanence and great structural 
 strength. 
 
 Donnacona Board is the pure wood as it is taken 
 from the forests, broken down in the Price 
 Brothers mills into fibres. These fibres are 
 specially treated to resist water, moisture, rot 
 and vermin, and are then moulded by tremendous 
 pressure into solid, one-piece sheets of building 
 board half an inch thick. 
 
 Donnacona Board is one of the strongest and most 
 efficient insulating building boards known. 
 
 When you build, when you buy, when you remodel, 
 insist upon DONNACONA insulation. 
 
 
 I 2 1 
 
CD) (D Rd Rd Ak C (JD Rd A J 
 
 Insulates as it 'Builds 
 
 The All-Purpose 
 Insulating lumber 
 
 (1) DONNACONA ADDS TO VALUE 
 without adding to cost. If the first cost is 
 slightly more than that of lumber, it is given 
 back to the purchaser in economy on install 
 tion for it comes in large solid sheets many 
 times the width of ordinary building lumber. 
 
 (2) DONNACONA HOLDS IN HEAT. 
 
 Donnacona conserves fuel for it is an effective 
 barrier against the passage of heat through 
 walls and roofs. Its saving is not for one year 
 or two, but for the lifetime of the building 
 to which it is applied. 
 
 (3) DONNACONA KEEPS OUT COLD. 
 
 Donnacona is as impervious to outdoor cold 
 as it is to the heat it is desired to keep in. 
 Between roofs, walls, floors and ceilings it adds 
 to the comfort of living, as well as to the value 
 of the building. 
 
 (4) DONNACONA DEADENS SOUND. 
 
 Donnacona keeps outside noises where they 
 belong and keeps inside sounds within. It 
 assures privacy. Your next door neighbor stays 
 next door, and your own affairs remain 
 your own. 
 
 (5) DONNACONA CONTROLS REVER¬ 
 
 BERATION. When the specially designed 
 surface of Donnacona is used for interior finish 
 and left unpainted millions and millions of dead 
 air cells control the reverberation of voices, 
 music and other sounds—preventing sound 
 from hitting back at you. 
 
 (6) DONNACONA GIVES GREATER 
 
 STRUCTURAL STRENGTH. Built 
 all in one piece without layers Donnacona 
 cannot split. Made of first-grade wood fibres, 
 it combines strength with rigidity. Donnacona 
 will last as long as any building in which it 
 is used. 
 
 (7) DONNACONA RESISTS WATER 
 AND DAMPNESS. If Donnacona is 
 immersed in water for a considerable length of 
 time and then allowed to dry out it will retain 
 all of its insulating effectiveness and original 
 strength. It will not warp or swell. 
 
 (8) DONNACONA IS ROT PROOF. 
 
 Every wood fibre in Donnacona Board is 
 treated to resist rot under all ordinary condi¬ 
 tions. Whilst in the mills before compression 
 the fibres are thoroughly impregnated with a 
 special chemical that renders them rot proof. 
 
 (9) DONNACONA IS VERMIN PROOF. 
 
 Donnacona Board is specially treated against 
 vermin. Vermin cannot live in it. 
 
 (10) DONNACONA GRIPS PLASTER 
 TENACIOUSLY. Donnacona has an 
 affinity for plaster. It bonds tenaciously and 
 holds indefinitely. 
 
 (11) DONNACONA HAS A ROUGH 
 CAST SURFACE. One side of Donnacona 
 Board is specially designed for pleasing interior 
 finish. Natural, painted or stained, it presents 
 opportunities for beautiful decorative effects. 
 The other side is finished perfectly flat to take 
 enamel and flat finishes. 
 
 (12) DONNACONA SAWS LIKE LUM¬ 
 BER, and works like lumber. It is easily 
 applied by anyone with saw, hammer and 
 nails, and thus saves both time and money in 
 handling and erection. 
 
A v A V A V A V A V A V A V A V A V A V 
 
 DDCDPd RdACdDRIAi 
 
 A V A AVAVAVAVAVA v A V A V 
 
 V A V A V A V A V A V A V A V A V A V A V 
 
 Insulates as it 'builds 
 
 \/ V «A XX ▲ V A. XX A V A V ^ V ^ XX ▲ XX A X 
 
 OW and Where 
 
 to use QDdDfdRJA(E(lDRI/\ 
 
 FOR WALLS 
 
 For Structural Sheathing—Donnacona Board is applied length' 
 wise, parallel to the studs and set directly on the framework, 
 care being taken to leave l /i" clearance between joints and 
 ends of adjacent boards. 
 
 Where height of structure requires two or more courses of 
 Donnacona Board the vertical joints should be broken and 
 not continued on the same studs in the upper courses. This 
 may be accomplished by offsetting or staggering the upper 
 boards so that they are not set directly above the corres' 
 ponding boards in the lower course. 
 
 Care should be given to the cutting and fitting of Donnacona 
 Board around all openings, projecting rafter feet, etc., to 
 provide a snug firm contact, and on no account should the 
 board be forced into position. 
 
 Donnacona Board is weatherproof. It is intended for out' 
 door as well as indoor use. It is impervious to moisture. 
 
 It withstands frost, snow and heat. 
 
 As Structural Sheathing 
 
 For Exposed Exterior—Donnacona Board should have joints 
 covered with wood battens or strips, and the Donnacona 
 Board should be of the required width to produce a 
 panelled effect. 
 
 Under Wood Siding—When wood siding or sheathing is to 
 be applied over Donnacona Board it should be nailed through 
 the insulating board to the wood frame. 
 
 Under Shingles—For this construction horizontal nailing strips 
 should be laid directly on the Donnacona Board and 
 these strips should be nailed securely through the insulating 
 board into the studs. Shingles should then be nailed to the 
 strips in the customary manner. 
 
 Under Brick Veneer—A minimum space of y 2 " should be left 
 between brick and the board. 
 
 Under Exterior Stucco—To secure the best results joints be¬ 
 tween boards should be well filled up to the surface of the 
 board with Hardwall or wood fibre plaster twentyTour 
 hours before applying base coat. Stucco shall then be ap' 
 plied on any recognized metal reinforcing lath. 
 
 
 141 
 
 As Stucco Base 
 
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 Insulates as it 'builds 
 
 Against Masonry—Donnacona Board should be applied directly 
 against a tacky coat of plaster bond or other asphaltic water' 
 proofing and held tightly to secure a firm bond. It should 
 then be nailed to bond (or nailing) strips laid horizontally 
 in brick joints at 2' 0" centres. 
 
 For Inside Walls and Ceilings—Where Donnacona Board is to 
 be applied as interior exposed finish to walls and ceilings, 
 Donnacona Board should be applied to ceilings first and this 
 work should be finished before walls are commenced. 
 should be left between adjoining boards. Boards should be 
 secured with \p&" roofing nails 4" on centres where wood 
 stripping or battens are to cover joints, and with 
 finishing nails 3" on centres driven diagonally into the 
 nailing studs where exposed joints are required. 
 
 As Plaster Base—For interior plastering Donnacona Board should 
 be applied in identically the same manner as for structural 
 sheathing. Space between boards at side, top and bottom 
 should be completely filled with fibre gypsum Hardwall 
 plaster thoroughly tamped into such joints. 
 
 Strips of metal lath not less than 4" wide should be securely 
 affixed over all joints. 
 
 Joints between frame and masonry structure whether in the 
 same plane or at an angle should be covered with metal lath 
 extending well over such junction and securely fastened to 
 such frame or masonry. Donnacona Plaster Lath is particularly 
 recommended for this work as it has a specially designed key 
 giving additional strength. 
 
 Corners—Projecting corners should be fitted with 16 gauge 
 metal corner beads extending the full height of such corners. 
 Metal corner beads should be securely nailed into the nailing 
 studding. 
 
 Interior corners or angles at ceilings and walls should be 
 reinforced with metal lath at least 6" wide bent to fit the 
 corner or angle and securely nailed through the Donnacona 
 Board to studs, joints or rafters. 
 
 Lath—Only galvanized or copper bearing lath should be used. 
 
 Plaster should be quick setting gypsum Hardwall composition 
 either fibred or unfibred. 
 
 Interior Panelling 
 
 As Plaster Base 
 
 Plaster Application—Base coat of plaster should be applied 
 directly to the Donnacona Board. Thickness should not be 
 less than pi". Base coat should be allowed to dry thoroughly 
 before the second coat is applied. 
 
 Plaster Finish Coat—May be of any recognized type or compose 
 tion but total thickness should not exceed pi". 
 
 Plaster Drying-^ A free circulation of air in all plastered rooms 
 should be provided to carry away the moisture as Donnacona 
 Board does not permit the passage of air or moisture through 
 it. On no account should plaster work be allowed to freeze. 
 
DDdD Rd Rd A(EdDPd>& 
 
 Insulates as It nutlets 
 
 FOR ROOFS 
 
 For Roof Insulation 
 
 Under Shingle, Slate or Tile—Under rigid roof covering Don- 
 nacona Board should be nailed directly to the rafters. On top 
 of the insulating board should be nailed, through the Donna' 
 cona Board and to the rafters, J/$" wood sheathing. Where 
 two or more layers of Donnacona Board are used joints should 
 be broken between the lower and each subsequent layer of 
 board. Nails should be long enough to penetrate the rafter 
 to a depth of l". Shingles, slate or tile can be applied over 
 roof sheathing. 
 
 FOR SOUND DEADENING 
 
 Donnacona for Sound Deadening of Floors 
 
 Floors—Donnacona Board should be laid directly on the floor 
 joists and parallel to them. The finished flooring should be 
 laid at once and should be nailed to joists through the insu¬ 
 lating board. Another way is to lay Donnacona Board loosely 
 over sub-flooring and to lay the finished floor on top and nail 
 through Donnacona Board to sub-flooring. 
 
 Donnacona may also be nailed directly to sub-floor and on 
 top of it 2" x 2" sleepers on 12" or 16" centres. The finished 
 flooring is then laid directly over the sleepers. This method 
 of floor construction is particularly to be recommended where 
 quiet is very desirable. 
 
 Sound Insulation of Frame Partitions—In constructing 
 sound insulated frame partitions double studs shall be spaced 
 16" o.c. and staggered so that no stud is continuous from one 
 wall surface to the other. Sheets of Standard Donnacona 
 Insulating Lumber shall be placed loosely between the two 
 rows of studs. The outer surfaces of the partition shall be 
 covered with Donnacona Board or Plaster-Lath followed 
 by a standard plaster finish. 
 
 6 I 
 
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 <a 
 
 Insulates as It 'builds 
 
 aking Old Homes 
 into Rd HEWC/ 
 
 Everywhere there are old homes steeped in sentiment or 
 history that are anything but homelike in their resistance to 
 cold and in the retention of heat. 
 
 Donnacona Board can be used to build comfort and economy 
 into these homes; and yet retain their original charm. 
 
 In such structures the most satisfactory points of insulation 
 are usually attics and basements. Often these spaces can 
 with the addition of Donnacona Board, be made into nurseries, 
 playrooms, billiard rooms, and additional living quarters. 
 
 Concrete and brick exterior walls below grade are good 
 conductors and the application of Donnacona Board to such 
 walls will make itself felt at once throughout the entire 
 home. 
 
 Under Roof Rafters—Donnacona Board may be nailed to the 
 underside of existing roof rafters, care being taken to make a 
 tight joint at point of contact with the side walls. An 
 additional strip of Donnacona Board at this point is an 
 excellent idea. 
 
 Over Attic Joists—Donnacona Board should be applied to the 
 top of attic joists and extended to make a tight bond with 
 side wall at eaves. 
 
 Over Attic Floors—Donnacona Board should be laid directly 
 over attic floors with all joints in moderate contact and well 
 nailed into place. If the attic is to be used finish floor should 
 be laid over the Donnacona Board. 
 
 For Basement Walls—Donnacona Board should be affixed to 
 walls with foundation or plaster bond or other asphaltic water' 
 proofing. Another way is to nail up nailing strips and apply 
 Donnacona Board directly to them. 
 
 I 7 1 
 
 Basement Lining 
 
INSU 
 
 cci 
 
 Plaster Base 
 
 ■ 
 
 
 
 — HARDWOOD • 
 
 .FLOORING^ 
 
 DONNACONA 
 CARPET BASE 
 
 DONNACONA INSULATING LUMBER 
 
 
 “FLOOR 
 
 JOISTS 
 
 * 
 
 J// / ROUGH 
 
 Wl FLOORING 
 
 DONNACONA ATTIC 
 PANELLING 
 
 DONNACONA 
 CEILING AND J 
 FLOOR SHEATHING f 
 
 Floor Insulation 
 
 DONNACONA 
 
 INSULATING 
 
 STUD 
 FURRING 
 
 DONNACONA 
 PLASTER LATH 
 
 DONNACONA 
 BASEMENT 
 LINING 
 
 
 
 Stucco Base Insulation 
 
 
 • <i iV'l ilt 
 
 INSULATIN 
 
 ECONOMICAI 
 
 EASILY 
 
 

 ^(DflDRIA 
 
 ATES 
 
 LD 
 
 \ 
 
 # 
 
 
 doniJacona roof^£ 
 
 ' NSULATING LUM*BER 
 
 ? . 
 
 SHINGLES 
 
 T6G SHEATHING 
 
 RAFTERS 
 
 DONNACONA ROOF INSULATION 
 
 DONNACONA 
 PLASTER AND 
 STUCCO BASE 
 
 
 Roof hisulation 
 
 DONNACONA 
 
 PANELLING 
 
 LUMBER 
 
 IPPUED 
 
 DONNACONA 
 
 INSULATING 
 
 LUMBER 
 
 Panel Effects 
 
 Wallpaper Base 
 
 D U R m B 
 
□DAD RJ RJ AC ADRIAN 
 
 
 Insulates as it'builds 
 
 Surface Finishing 
 
 Attractive Rough Cast Surface 
 
 Beautiful Effects with Paint and Stains.— 
 Donnacona Board has a beautiful rough cast 
 surface as shown above which is specially 
 designed to provide rich and decorative wall 
 finishes at no additional cost, other than the 
 application of paint or stain to the exposed 
 board. 
 
 Before applying the finishing coats however, 
 a glue she is recommended to secure maximum 
 coverage, after which any number of distinctive 
 wall treatments can be obtained on either the 
 smooth or rough cast surfaces. 
 
 Duo-toned, stippled and glared finishes are 
 particularly recommended to take advantage 
 of the attractive surface. 
 
 I 10 1 
 
 i 
 

 
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 ODdD RJ RJ A (E dD RJ 
 
 * V A V * V 
 
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 Insulates as it builds 
 
 V A V A V A V A V A A V A V A V 
 
 A V A V 
 
 »CV 
 
 ONNACONA 
 
 on the FARM 
 
 Progressive farmers are quick to appreciate the value 
 of insulated farm buildings. Live stock and fowl 
 are in some respects just as sensitive to sudden 
 changes in temperature as humans. Regulated 
 temperatures are absolutely essential to certain 
 classes of perishable farm products. 
 
 One of the most economical and satisfactory methods 
 of regulating temperatures is by Donnacona insula- 
 tion. Donnacona insulating lumber, properly 
 applied to stables, barns and all other farm buildings 
 effectively regulates temperatures both summer and 
 winter. 
 
 Experience has shown that live stock responds 
 immediately to the better conditions found in 
 insulated buildings. 
 
 Greater production per animal and better health, to 
 say nothing of the reduction of loss due to spoiled 
 products are all factors which increase the profits of 
 farmers using Donnacona insulation. 
 
 The advantages of Donnacona insulation continue 
 throughout the lifetime of the building in which it is 
 installed, adding to its investment or resale value. 
 
 I n 1 
 
y y aVAVAV*V*vavav*v»aVav[ V A V * V A VavaVavavaVava V y 
 
 ^ QDdD RJ FR AGdDRJ A CKUr Insulates as it Guilds ^ 
 
 'V A V A V' A V 
 
 
 A V A V 
 
 RV 
 
 t 
 
 Technical Service for 
 
 DONNACONA users 
 
 The Donnacona insulating engineers are at the 
 service of Donnacona users all over Canada, either 
 to advise by mail or to inspect, plan, and estimate 
 on adequate insulation for new and old buildings. 
 
 New buildings do not as a rule present serious 
 difficulties to architects, builders or contractors 
 but where reconstruction is involved, or where 
 insulation is required in structures already erected, 
 our Technical Service Department will be glad to 
 be called upon for such assistance as it can render. 
 
 To dealers we hold out a similar sales assistance 
 service and are glad to co-operate in any manner 
 that can contribute to the complete satisfaction 
 of the client. 
 
 
 Industrial uses 
 
 Donnacona Industrial Board is partic¬ 
 ularly useful as roof insulation for 
 large areas. It is made in sheets 3' 0" 
 wide and 6 ' 0" long, and on special 
 orders it can be supplied in various 
 lengths. It has the same thickness as 
 Donnacona Standard Board () but 
 its smaller siz;e makes it very easy to 
 handle for roof insulation and cuts 
 down considerably on the cost of 
 erection. It can also be supplied in 
 thicknesses up to 2". 
 

 JT V AV A V A v A V A V A VA VA A V AV V A V A V A VAVAVAVAVAVAVA V W 
 
 J®nD<IDRiJRJACdDRJA\ z Insulates as it builds *5 
 
 a. a, A X< JL \Z a NZ' A N*^" jt- a ^Z' A 'V 
 
 
 V 4 V 4 V ▲ V A V 4 V 
 
 V 
 
 Domcou 
 
 increases rental 
 
 LOAN and RESALE 
 
 values... 
 
 A lifetime discount of 25% on all fuel bills is not 
 to be ignored by any home buyer. That is what 
 the purchaser of a Donnacona insulated house gets 
 in addition to increased comfort, winter and summer. 
 
 It is little wonder that home buyers are asking 
 “Is it insulated?” Insulation makes a house into 
 a home—raises its market value and, in consequence, 
 adds to the rental, loan and resale value. 
 
 Wise builders everywhere are recognising that the 
 cost of Donnacona insulation is only trifling when 
 compared with the value it immediately adds to the 
 property in which it is installed. 
 
 
 This building is kept 
 
 IN WINTER 
 
 COOL IN SUMMER 
 
 AND QUIET ALWAYS 
 
 By means of 
 
 
 INSULATING 
 
 CONA 
 
 LUMBER 
 
 John J. Jones^Contractor 
 
 Loo\ for this sign before you 
 buy or rent a new home. 
 
 It is your guarantee of comfort. 
 
 f 13 } 
 
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 Rd hd A\(C(IDRdA\ 
 
 ▲ \/ ▲ \,' A N/ A ‘ 
 
 r A V ▲ A V A V A V A V A V A V A V A 
 
 Insulates as it 'Builds 
 
 r A A A ’^/ r A A A A A 'N^ A A 
 
 / OVff GENERATIONS 
 
 of Canadian History 
 
 In 1810 William Price was sent out to Canada by the British 
 Admiralty to purchase wood for masts. He was so impressed 
 with the timber resources of the Province of Quebec that he 
 returned in 1816 and founded the Price firm. 
 
 Lumbering operations were carried on on the Ottawa, St. 
 Maurice and St. Lawrence Rivers and particularly in the 
 Saguenay and Lake St. John regions where William Price took 
 a leading part in opening up the virgin forests and became 
 known as “Father of the Saguenay.” 
 
 When he died in 1867 the business was carried on by his three 
 sons, William, David and John. The two first mentioned 
 predeceased the Honourable John Price, upon whose death the 
 late Sir William Price became active head. John Price, now 
 president of the firm is a son of Sir William Price. 
 
 In 1902 the company entered the pulp making business. They 
 commenced the manufacture of newsprint in 1909. Today 
 with large mills at Jonquiere, Kenogami, Riverbend and, 
 Donnacona, Price Bros, rank as one of the world’s largest 
 newsprint producers. The Company owns Power developments, 
 extensive timber limits, saw mills, paper mills and a beautiful 
 head office building in Quebec. 
 
 _ 
 
 The Company’s ptojducts include newsprint, lumber, shingle 
 lath and insulating board, making it one of the most widely 
 diversified for?stj products organizations in Canada. 
 
 II 14 J 
 
ODdDRiJ F^IAGCIDRIA 
 
 Insulates as It 'builds 
 
 ACTS ABOUT 
 
 OD(IDRdRJA\(X(D)FdA 
 
 Weight—Donnacona Board weighs approximately 700 lbs. 
 per 1000 square feet. It is three and a half times lighter 
 than yellow pine sheathing. 
 
 Strength — Donnacona Board when used as sheathing resists a 
 strain approximately seven times greater than can be 
 withstood by ordinary building lumber. Tests for tensile 
 strength show Donnacona Board to average better than 
 240 lbs. per square inch. 
 
 Water Resistance — Donnacona Board is the most water 
 repellent building board ever placed on the market. 
 Tests show a total absorption of less than 14% by weight 
 after complete immersion for two hours. After drying 
 out the structural strength of Donnacona Board is in 
 no way impaired. 
 
 Plaster Bond -It is practically impossible to separate Donna- 
 cona Board from plaster by any ordinary means. A pull 
 of 850 pounds per square foot has been successfully with¬ 
 stood. 
 
 Insulating Qualities—Donnacona Board has a thermal con¬ 
 ductivity ratio of .33 B.T.U.’s per hour per inch of 
 thickness for a temperature difference of 1° Fahrenheit. 
 Expressed in building terms this means that it provides 
 insulation equivalent to 3 }4" of solid wood, 12" of brick, 
 and 24" of concrete. 
 
 Sound Insulation and Acoustical Value—Due to its 
 cellular composition and rough surface finish Donnacona 
 controls reverberation to a marked degree. It is also 
 remarkably effective in deadening the transmission of 
 sound. 
 
 LABOR/ATOR V 
 TESTfD DAILY 
 
 The daily run of Donnacona Board is controlled from the mill 
 laboratory. Hourly specimens are taken at random from the 
 mill run. They are tested for thickness, uniformity and adher¬ 
 ence to the specification that govern the making of the board. 
 
 All Donnacona Board must measure up to the rigid standards 
 of Price Brothers & Co. Limited, standards, which have been 
 maintained throughout 113 years of business history. 
 
 I 15 1 
 
Products of- 
 
 tPD&OCE tBD&dDTrDOEDfcS 
 
 and Company Limited 
 
 V 
 
 DONNACONA STANDARD INSULATING BOARD 
 
 Thickness y 2 ". Width 4' 0". Length 8'0" to 12' 0". Average weight, 700 pounds per 1000 square feet. A 
 strong homogeneous individuallynnoulded building board, specially treated for water resistance and having 
 a heat insulating value of .33 B.T.U’s per hour per square foot per degree Fahrenheit. It has high sound 
 insulating values and is specially treated to render it impervious to vermin, rodents and germs. 
 
 Uses: 
 
 (a) Sheathing and Insulation for frame, stucco and brick veneer buildings (replacing wood sheathing). 
 
 (b) Under plaster, replacing lath, giving great bonding strength and added insulation. 
 
 (c) Floor and wall sound insulation. 
 
 (d) Interior and exterior finish. Can be painted and stained. 
 
 (e) Insulating roofs, attics and cellars. 
 
 (f) Providing acoustical control in all interiors. 
 
 DONNACONA INDUSTRIAL BOARD (Non-Structural) 
 
 Donnacona Industrial Board is made in strong sheets y thick, 3' 0" wide and 6' 0" long. On special orders, 
 board one inch thick can be supplied in various lengths. 
 
 Industrial Board has great structural strength and is an excellent insulator. Tests made at the Armour 
 Institute of Technology by Mr. G. F. Gebhardt, Consulting Engineer, show a tensile strength of over 240 lbs. 
 per square inch and a thermal conductivity of less than .33 B.T.U’s per square foot per hour for a temperature 
 difference of 1 degree Fahrenheit. This board is specially treated to make it rot, moisture and vermin proof. 
 
 Donnacona Industrial Board has many uses. It is particularly useful as roof insulation for large areas, where it 
 conserves heat and prevents condensation on the under side of the roof. In cold storage construction it is 
 applied in layers to build up the necessary insulation value in the walls. It is also useful for temporary 
 buildings, partitions, etc. Its convenient siz;e makes it easy to handle and this cuts down erection costs. 
 
 DONNACONA ROOF INSULATION 
 
 Thickness y full. Length 5'0”. Width 2'0". Weight approximately 650 pounds per 1000 square feet. 
 Used as insulation under slate, tile, shingles and other forms of rigid and non-rigid roof covering. 
 
 DONNACONA PLASTER LATH 
 
 Thickness y. Length 4' 0". Width 1' 6". Weight approximately 4 pounds per piece. The long edges are 
 shipdapped to provide an unbroken insulating surface. All exposed edges are bevelled, which gives the plaster 
 a more tenacious grip. The lath are easy to handle and apply and quickly erected. Donnacona Plaster Lath 
 has the same insulating value as the standard Donnacona Board. 
 
 Printed 
 
ONA 
 
 LUMBER 
 
 DON 
 
 INSULATING 
 
 A PRODUCT OF 
 
 PRICE BROTHERS & COMPANY LIMITED 
 QUEBEC - - - CANADA