What is the Massachusetts Stretch Code?
The Stretch Energy Code is an appendix to the Massachusetts Building Code , created by the Massachusetts Board of Building Regulations and Standards (BBRS). It results in cost savings and environmental benefits through improved building energy efficiency.
Does the stretch code apply to major renovation projects?
Does the stretch code apply to major renovation projects as well as new construction? It does not apply to renovation projects in commercial buildings.
What is the mass wall R value in climate Zone 5?
Zones 4 and 5 require an R – value of 10 for all three structures. Zones 6, 7 and 8 also have a 10 R – value for slabs and crawl spaces, and of 15 for basements.
What is the Massachusetts Building Code?
The Massachusetts State Building Code consists of a series of international model codes and any state-specific amendments adopted by the Board of Building Regulation and Standards (BBRS).
What is a stretch code?
A stretch code is a locally mandated code or alternative compliance path that is more aggressive than base code , resulting in buildings that achieve higher energy savings. In many cases, utility energy efficiency programs, utility incentives and jurisdictional stretch code programs can be aligned.
What is the U factor requirement for windows in MA?
Select windows with a U – factor of 0.35 or less. If air conditioning loads are minimal, windows with U – factors as high as 0.40 are also energy-efficient if the Solar Heat Gain Coefficient is 0.50 or higher. Some double-glazed low-E products have U – factors below 0.30. Select windows with a U – factor of 0.40 or less.
What is mass wall R value?
It defines mass walls as walls that are made of concrete block, concrete, insulated concrete form, masonry cavity, brick, earth, adobe and solid timber or logs. The insulation must be at least 50% on the exterior or integral to the wall to count.
How thick is r30 insulation?
What is the code for ceiling insulation?
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. See the Department of Energy’s (DOE) ranges for recommended levels of insulation below.
Are homes required to have insulation?
Living With Insulation While there are exceptions, in today’s society, many homes , structures, and buildings require it. And if an older home was built without insulation , if the homeowner goes to sell it, it will require an energy retrofit.
Do I need a permit to build a deck in Massachusetts?
1), building permits are required to “ construct , re- construct , alter, repair, remove, or demolish a building or structure; or to change the use or occupancy of a building or structure; or to install or alter any equipment for which provision is made or the installation of which is regulated by the Massachusetts State
What does CMR stand for in Massachusetts?
Code of Massachusetts Regulations
What does 780 CMR stand for?
Includes Specialized Codes and Referenced Standards. Codes of Massachusetts Regulations ( CMR ) and Massachusetts General Law (M.G.L.)