Roof And Roof Covering Pdf

Pitched roofs the purlin is fi xed to the rafters in a continuous length jointed at all the internal and external corners of the roof.

Roof and roof covering pdf.

Approved roof coverings secured to the building or structure in accordance with the provisions of 780 cmr 15 00. Sec tion 1508 roof insulation contains requirements for roof insulation. Selection of roofing materials depends upon a type of framework b initial cost c maintenance requirement d appearance e durability f availability. Asphalt shingles 37 9.

Section 1507 contains require ments for each specific roof covering and assembly. R oof cove rings shall be desig ned installed and maintained in acordance with 780 cmr and the approved manufacturer s ins tr uc tio ns su ch th at th e ro of cov eri ng sh all s erv e to. Both codes provide requirements for roof coverings commonly used on high sloped roofs such as asphalt shingles clay and concrete tile wood shakes and shingles and metal roofing and for roof coverings typically used for low slope. Underlayments and moisture barriers 22 6.

This will depend upon the size of the roof and the type of roof covering the roof has to support. Ibc 2009 uses the term roof covering to refer to a par ticular type of roofing product or system. The term is defined in section 1502 definitions as. And the framing or structure which supports the covering in simple words roof is what covers both material human being.

In traditionally constructed roofs the roof may also require added support in the form of roof trusses. Clay concrete fiber cement and composite tiles 58 13. The part of the roof covering that overhangs the gable wall roofing ventilation for roofs serves the same purpose as for all other locations i e. To remove water vapour and prevent condensation.

Low slope roofing 42 10. The part of the roof that overhangs the walls. Ments for roof coverings. Roof coverings for pitched roofs roof covering is an essential component of pitched roof to be placed over the roof frame work to protect it from rain snow sun wind and other atmospheric agency.

Metal roofing 48 11. Roof design 6 3. Wood shingles and shakes 33 8. Gutter and leader systems 64.

Various types of roofing materials are available and their selection depends upon 1 type of building 2 type of roof framework 3 initial. Roof covering for pitched roof roof covering is an essential part of pitches roof to be placed over the roof frame work. Ventilation has become more important as a result of increased standards of insulation.