Building Supplies Store

• WELL-MADE The backflow damper prevents the wind especially cold and warm air from entering through the ventilation duct. This 5 inch backdraft damper is made out of galvanized steel and the flap leaves are made of aluminum. The axis and spring are made of stainless steel, 3.5 inches deep, and can withstand temperatures from 14 to 140 degreeF.
• FEATURES The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically.
• MULTIPLE USE Designed for use in air conditioners, dryers, exhaust, extractor or range hoods, heating ducts, vents, and other HVAC applications.
• EASY INSTALLATION The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
• NOTE Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different.

• EASY INSTALL - With a wrench and cable cutters, this do-it-yourself kit can be installed by anyone.
• QUALITY MATERIALS - Made of stainless steel type 316, all cables and fittings are ultra-durable.
• FOR DIFFERENT APPLICATIONS - Can be affixed to posts made of metal or wood, interior or exterior.
• COMPLETE SET - Includes cable, threaded terminal, SwiftCatch, washer nut, flat washer and caps.

• Acts as a heat sink barrier to protect adjoining surfaces that may be damaged by excessive heat
• Heat transfer color indicator turns the paste to light blue as it absorbs heat
• Safe to use: Non-toxic, no asbestos, harmless to skin and odorless
• Easy to use: apply directly to surface from tube
• Easy to clean: wipe off with cloth or wash with water; leaves no stains

• Perfect for countertop or shelf support
• Fully sanded and ready for your paint or stain
• Crafted after traditional styles
• Authenticity of a real wood product
• Can be used on mantels, range hoods, and more

• Perfect for countertop or shelf support
• Can support up to 150 pound
• Fully sanded and ready for your paint or stain
• Crafted after traditional styles
• Authenticity of a real wood product

• Perfect for countertop or shelf support
• Can support up to 150 pound
• Fully sanded and ready for your paint or stain
• Crafted after traditional styles
• Authenticity of a real wood product

• Perfect for countertop or shelf support
• Can support up to 150 pound
• Fully sanded and ready for your paint or stain
• Crafted after traditional styles
• Authenticity of a real wood product

• Perfect for countertop or shelf support
• Fully sanded and ready for your paint or stain
• Crafted after traditional styles
• Authenticity of a real wood product
• Can be used on mantels, range hoods, and more

• Dimensions: 2-1/2 in. Width x 5-1/2 in. Depth x 10 in. Height
• Precision carved and available in alder, cherry, maple, red oak, walnut, mahogany, or paint grade wood
• Wood corbels and brackets arrive sanded and ready to be painted or stained
• Ideal for countertops, bars, shelves, kitchen islands, range hoods, mantels, furniture and more.. Carved wood corbels and brackets can be used for decorative or load-bearing applications and can support up to 250lbs with proper installation.
• Most brackets and corbels have the same style in multiple sizes, ranging from 3 to 35 in height!. Quick and easy DIY installation with wood glue and nails or screws

• This is a Brand New Furnace Vent Air Pressure Switch
• Top Quality Replacement Part!
• 0.40\" WC
• Made in the U.S.A!

• Perfect for countertop & shelf applications
• Pre-drilled mounting holes for easy installation
• Can be used to support granite countertops
• Unique iron bracket design
• Heavy duty iron bracket offers great support

• Perfect for countertop & shelf applications
• Pre-drilled mounting holes for easy installation
• Can be used to support granite countertops
• Unique iron bracket design
• Heavy duty iron bracket offers great support

• Perfect for countertop & shelf applications
• Pre-drilled mounting holes for easy installation
• Can be used to support granite countertops
• Unique iron bracket design
• Heavy duty iron bracket offers great support

• Perfect for countertop & shelf applications
• Pre-drilled mounting holes for easy installation
• Can be used to support granite countertops
• Unique iron bracket design
• Heavy duty iron bracket offers great support

• Modeled after original historical patterns and designs
• Solid urethane for maximum durability and detail
• Lightweight for quick and easy installation
• Factory primed and ready for paint or faux finish
• Can be cut, drilled, glued, or screwed

• Back draft damper for insertion into 8 inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct
• A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel
• Designed for use in AC, dryers, exhaust, extractor or range hoods, heating systems, vents and other residential, commercial and industrial HVAC applications
• FUNCTIONALITY: Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no (cold) air / wind can penetrate the ventilation pipe from the outside.
• INSTALLATION: The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.