Built -up roof - A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low -pitched roofs.
Collar beam - Nominal 1 - or 2 -inch -thick members connecting opposite roof rafters. They serve to stiffen the roof structure.
Delamination - Separation of the plies in a panel due to failure of the adhesive. Usually caused by excessive moisture.
Frieze - In house construction a horizontal member connecting the top of the siding with the soffit of the cornice.
R Value - A measure of insulation. A measure of a materials resistance to the passage of heat. The higher the R value, the more insulating "power" it has. For example, typical new home's walls are usually insulated with 4" of batt insulation with an R value of R -13, and a ceiling insulation of R -30.
Ridge - The horizontal line at the junction of the top edges of two sloping roof surfaces.
Wall out - When a painter pray paints the interior of a home.
Yoke - The location where a home's water meter is sometimes installed between two copper pipes, and located in the water meter pit in the yard.
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Irwin Industrial Tools 314018 Black Oxide Drill Bit Set, 18-Piece
Feature: ... Oxide treatment resists corrosion, helps prevent bit from rusting; 135-Degree split point tip starts on contact, cuts with less force; Flatted shanks above 11/64-Inch eliminates slippage in drill chuck; Reduced shank above 3/8-Inch allows the use of larger drill bits in a 3/8-Inch chuck; Sliding latch design provides added security ...more
Customer Reviews —
Editorial Reviews — ... Product Description | The bits in this handy 18-piece set are coated with black oxide for added corrosion resistance and smoother drilling operations. High Speed Steel means smoother, faster drilling. This set comes in a durable rubber-sided case for added impact resistance. The case's sliding latch keeps the bits from spilling out into the dirt. This set includes 18 commonly used bits including: 1/16"(2), 5/64", 3/32"(2), 7/64", 1/8"(2), 9/64", 5/32", 11/16", 3/16", 13/64", 7/32", 1/4", 5/16", 3/8" and 1/2"....more
Irwin 314018 18 Piece Black Oxide High Speed Steel Drill Bit Set
Feature: ... Durable rubber-sided case for added impact resistance; Sliding latch design provides added security; 135-degree split point prevents walking; Black oxide coating resists corrosion ...more
Editorial Reviews — ... Product Description | The bits in this handy 18-piece set are coated with black oxide for added corrosion resistance and smoother drilling operations. High Speed Steel means smoother, faster drilling. This set comes in a durable rubber-sided case for added impact resistance. The case's sliding latch keeps the bits from spilling out into the dirt. This set includes 18 commonly used bits including: 1/16"(2), 5/64", 3/32"(2), 7/64", 1/8"(2), 9/64", 5/32", 11/16", 3/16", 13/64", 7/32", 1/4", 5/16", 3/8" and 1/2"....more
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