Roof And Ceiling Mass

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Roof and ceiling mass.

Depends on roof and ceiling mass kg m2 below are only typical roof construction examples and may differ in your situation i didn t include tiled roofs which are higher numbers metal sheet tiles or medium gauge corrugated iron battens 12mm softwood ceiling lining sarking lightweight insulation 20kg m2. Sometimes the water shows up at a ceiling spot distant from the leak. Weight kg m 2 code. Open pdf file 163 kb for 780 cmr ninth edition residential chapter 8.

Many homes have an asphalt shingle roof but some have wood metal tile and slate which can be more expensive. The massachusetts state building code 776 780 cmr seventh edition 12 28 07 1 1 08 ceiling roof area of the addition combined. Components of roof ceilings shall be fastened in accordance with table r602 3 1. Some of these can support the roof and prevent ridge sagging and wall spreading.

Collar ties rafter ties tension beams structural ridge beams. Some roof leaks are tough to locate. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. Roofing material is estimated by the square which is equal to 100 square feet.

Roof ceiling construction amendments pdf 163 kb this is part of. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. The average roof is 3 000 square feet or around 30 squares. Ninth edition of the ma state building code 780 chapter 7.

Weights of building materials in walls. Stratco ceiling battens at 450 centres 0 35 0 45 0 78. As1170 1 2002 ta2 92kg m 2 per 100mm. Miscellaneous components in addition to other roof components.

If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.