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Canadian Building Digest

CBD-235

Single-ply roofing membranes [PDF Full Text]

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Abstract: New synthetic roofing materials, including prefabricated sheet-applied membranes and liquid-applied membranes, are described. Their properties, advantages and disadvantages are discussed.
Subject: Roofs; Roofs; roofing; roofs; roofing products; rubberized asphalt; liquid roofing; elastomeric roofings; PVC
Canadian Building Digest; no. CBD-235, ISSN: 0008-3097, Publication date: 

CBD-236

Introduction to building acoustics [PDF Full Text]

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Abstract: Some of the fundamental terms and measures used in building acoustics to quantify sound and the acoustical properties of systems and materials are described.
Subject: buildings; acoustics; sound measurement; acoustic properties; acoustical control; sound transmission loss; Sound transmission & insulation
Canadian Building Digest; no. CBD-236, ISSN: 0008-3097, Publication date: 

CBD-237

The regulation of building construction [PDF Full Text]

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Abstract: Federal, provincial and municipal building construction regulations are summarized. Common terminology is defined. The relationship between model codes and regulations is discussed.
Subject: building codes; standards; Codes & guides
Canadian Building Digest; no. CBD-237, ISSN: 0008-3097, Publication date: 

CBD-238

The reliability of automatic sprinkler systems [PDF Full Text]

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Abstract: Automatic sprinkler systems have played a key role in fire protection engineering for over a century. Based on a review of statistical data, this Digest shows the reliability of such systems in place to be in excess of 96%. Means are suggested to improve this reliability to 99% through proper design, inspection and maintenance of systems.
Subject: Sprinklers; sprinkler system; reliability; performance; inspection
: The reliability of automatic sprinkler systems
Canadian Building Digest; no. CBD-238, ISSN: 0008-3097, Publication date: 

CBD-239

Factors affecting sound transmission loss [PDF Full Text]

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Abstract: The sound transmission losses of single and double layer walls and floors are determined by the physical properties of the component materials and the methods of assembly. These factors are discussed.
Subject: sound transmission loss; partitions; floors; mass; stiffness; Sound transmission & insulation
Canadian Building Digest; no. CBD-239, ISSN: 0008-3097, Publication date: 

CBD-241

Polymer modified concrete [PDF Full Text]

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Abstract: Polymer modified concrete may be divided into two classes: polymer impregnated concrete and polymer cement concrete. The first is produced by impregnation of precast hardened Portland cement concrete with a monomer that is subsequently converted to solid polymer. To produce the second, part of the cement binder of the concrete mix is replaced by polymer (often in latex form). Both have higher strength, lower water permeability, better resistance to chemicals, and greater freeze-thaw stability than conventional concrete.
Subject: polymeric materials; impregnated concrete; concrete ( materials); natural rubber; water absorption; chemical attack; freeze thaw cycles; Concrete
: Polymer modified concrete
Canadian Building Digest; no. CBD-241, ISSN: 0008-3097, Publication date: 

CBD-242

Polymer concrete [PDF Full Text]

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Abstract: Polymer concrete (PC), or resin concrete, consists of a polymer binder, which may be a thermoplastic but more frequently is a thermosetting polymer, and a mineral filler such as aggregate, gravel and crushed stone. PC has higher strength, greater resistance to chemicals and corrosive agents, lower water absorption and higher freeze-thaw stability than conventional Portland cement concrete.
Subject: Concrete; polymer concrete; resin concrete; chemical attack; corrosivity; water absorption; freeze thaw cycles
: Polymer concrete
Canadian Building Digest; no. CBD-242, ISSN: 0008-3097, Publication date: 

CBD-243

Fire safety of furnishings [PDF Full Text]

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Abstract: The role of furnishings in fire safety is discussed, as well as ignitability tests of these furnishings.
Subject: fire safety; furnishings; upholstered furniture; synthetic materials; flammability tests
Canadian Building Digest; no. CBD-243, ISSN: 0008-3097, Publication date: