R & R
Abbr. for Remove and Replace.
Abbr. for Remove and Replace.
A measurement of resistance to heat transfer.
A framing member installed in a series to support the roof covering.
A horizontal member at top of masonry or concrete wall which supports and distributes the load of rafters, roof joists and ceiling framing.
A chemical transformation or change. The interaction of two or more substances to form a new substance.
To apply an additional finish layer, e.g. of paint or lacquer.
To remove the existing finish and replace it with a new finish.
To adjust a building component to accommodate changes in it or the surrounding materials.
(RH) – The relationship between air volume and the amount of moisture it holds at a specific temperature expressed as a percentage of that air_s total moisture holding capacity; i.e., the amount of moisture in a given volume of air, at a given temperature, which is expressed as a percentage of the amount that air…
A document signed by a claimant by whom they relinquish all rights to further compensation or consideration for the action or event in question; usually reserved for 3rd party claimants.