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Flat roof construction details pdf.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.
That will help you remember certain factors and details to build the best possible flat roof.
135399344 flat roof construction manual pdf free download as pdf file pdf text file txt or read online for free.
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To begin our study of flat roofs part a outlines their.
A flat roof must be strong durable and stable throughout its lifetime.
Traditionally domestic flat roofs use two or more built up layers of bituminous felt as their weather proofing.
A flat roof usually consists of the following.
Consider geography budget and use for the roof to determine the best option.
Information on the design materials construction and maintenance of successful flat roofs.
Location page 5 factors such as the amount of sunshine temperature surrounding buildings or wind affect a flat roof and need to be considered.
A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal.
Factors that affect a flat roof construction.
A note to consider before construction.
We hope it will assist to a satisfactory roof renewal.
Waterproof membrane to prevent water penetrating the structure and interior of the.
Flat roof construction for residential.
If insulation is installed below the flat roof deck this is called a cold roof.
It must provide adequate protection against the elements keeping the buildings structure and interior dry.
Flat roof types.
A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.
It is for that reason that the flat roof construction manual focuses on the subject of designing energy saving flat roofs free from damage.
Liquid applied systems such as glass fibre were introduced and are now quite widely used.
Insulation for the warm flat roof only the basic construction process.
Airtightness page 7 very good levels of airtightness are required for all flat roof constructions.
