Roof And Ceiling Mass

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Roof and ceiling mass.

Terminology roof construction coupled roof ridge board rafter ceiling joist otherwise there is nothing to stop the walls from spreading rafters ceiling joist must be and the roof from collapsing fixed together at the pitching points ridge board when the rafters are tied rafter together by ceiling joists so that they cannot spread the. Ninth edition of the ma state building code 780 chapter 7. Miscellaneous components in addition to other roof components. Weight kg m 2 code.

Mass barrier ceilings rcc 061 suspended ceiling system to create a void. 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. Stratco ceiling battens at 450 centres 0 35 0 45 0 78. Ceiling roof area of the addition combined.

Mass loaded vinyl helps in soundproofing a ceiling without involving the need for construction or structural changes. As1170 1 2002 ta2 92kg m 2 per 100mm. The addition of up to 16 3 4 inches of 0 5 pcf glass fiber insulation r 40 either batt or loose fill to any 1 or 2 hour fire resistance rated floor ceiling or roof ceiling system having a cavity deep enough to accept the insulation is permitted provided that one additional layer of either 1 2 inch type x or 5 8 inch type x gypsum board is. If any individual fenestration component exceeds the maximum u factor listed in 780 cmr table 6101 3 then the area weighted average u factor for all fene str ation c omponents must be less than or equal to the listed value.

The r value requirements for opaque thermal envelope. Roof ceiling construction amendments pdf 163 kb this is part of.