Window Insulation Kits / Window Hardware - Huge Savings! Save up to 20%


Huge Savings! Up to 20% off on Window Insulation Kits (in Window Hardware) at Kokos Lock & Key [60]. Top brands include J&R Products, Inc., Incly, Maccourt, Attic Tent, SmartSHIELD, Mfm Building Product, US Energy Products, Pemko, AES, Great Stuff, RadiantGUARD, Hanes Geo Components, & Reflectix. Hurry! Limited time offers. Offers valid only while supplies last.



Batt Insulation Support - Tiger Teeth (Box of 500) (16")
By J&R Products, Inc.
In Stock
$32.82

ean: 0301652590247,

4.7 out of 5 stars with 41 reviews
Hang batt insulation with ease with these flexible but durable wire hangers. Wire Batt Supports also known as tiger teeth, wire stays, and lightning rods. Fast economical way to install roll and batt type insulation. Made of high tensile wire that digs into the wood. When installing start 4 in. from the end then space them 12 in. to 16 in. apart. Actual length is 15 1/2''Made in USA.


Incly Attic Stairway Insulator Cover 25" x 54" x 11" Attic Door Ladder Insulation Pull Down Tent with Zipper
By Incly
In Stock
$37.99

ean: 0708302994927,

4.2 out of 5 stars with 57 reviews
Incly insulation cover works year around, on hot summers and cold winters. It also prevents air leakage, dust and pollutants from coming in your home Specifications: Material: 3 mm XPE Insulation + two layer 100% aluminum foil Dimensions: 25'' x 54'' x 11''❤Fireproof Material, Reflects 97% of radiant heat, Provides an R-Value of 14. 5.Fits openings up to 25'' x 54'' x 11''. ❤Improving indoor air quality :It stops air infiltration between the home and attic, during both hot and cold seasons


Maccourt 4820E Products 48 x 20 x 4 Wind Well Cover, Transparent/Clear
By Maccourt
In Stock
$61.67
$49.59
You Save: 20%

mpn: 4820E, ean: 0039694048203,

4.9 out of 5 stars with 46 reviews
4820E 48'' x 20'' x 4'', Elongated, Rectangle, Low Profile Window Well Cover, Used When The Top Of The Window Is At Or Below The Top Of The Area Well, Keeps Rain, Snow & Debris Out Of The Window Well.This item will be delivered curbside. To have the item delivered to a location of choice on your property, kindly make additional arrangements with a third party provider ahead of delivery. It is highly durable. It is a good quality product. Manufactured in China.


Attic Tent at-5 Attic Cover/Insulator 30" x 60" x 13" Rough Opening
By Attic Tent
In Stock
$145.69
$145.66

mpn: AT5, ean: 0673689030608,

4.6 out of 5 stars with 37 reviews
The Attic Tent® is the original ultimate folding attic stair insulation cover ever invented. It stops air infiltration between the home and attic, during both hot and cold seasons. It keeps out unhealthy insulation and dust from the attic thus improving indoor air quality. The Attic Tent® comes fully assembled. Its design allows easy zipper access and simple installation for variations in rough frame construction, to include uneven surfaces. The Attic Tent® reduces your power bills and improv


SmartSHIELD -5 Reflective Foam Core Insulation, Cold and Heat Shield, Radiant Barrier, Thermal Insulation 24''X50ft
By SmartSHIELD
In Stock
$67.99

mpn: 1, ean: 7441051401454,

4.8 out of 5 stars with 40 reviews
THIS IS NOT A CHEAP DOUBLE BUBBLE REFLECTIVE INSULATION, WE HAVE A HIGH QUALITY REFLECTIVE FOAM INSULATION, COMMERCIAL GRADE!!! SmartSHIELD -5 REFLECTIVE INSULATION WILL STOP BOTH CONDUCTIVE AND RADIANT FLOW OF HEAT. WHERE TO INSULATE? Attics, Ceilings, Walls, Steel Buildings, POLE BARNS, Roofing, Concrete Floor, Radiant Heat in a Concrete Floor, Radiant Heating Under a Wood Floor, Cathedral Ceiling, Water Heater Tank, Radon Barrier, Water Pipe and Air Duct, Reflective Ceiling System, Behind a H


Mfm Building Product 50042 6"X33.5' Peel & Seal
By Mfm Building Product
In Stock
$32.34
$25.76
You Save: 20%

mpn: 50042, ean: 0725799523065,

4.9 out of 5 stars with 48 reviews
Self-stick roll roofing is ideal for repairing or flashing dormers, house additions, gutters, mobile homes, chimneys, vents, and other irregular features. Size: 4 in., 6 in. Or 9 in. X 33.5 ft. Color: aluminum. Minimum thickness is 45 mil. This product can be applied at temperatures as low as 55 deg. F. 10 year warranty. Shrink-wrapped and Labeled for individual sale. The product is manufactured in United States.The product is manufactured in united states.


400sqft Double Bubble Reflective Foil Insulation (4 X 100 Ft Roll) Industrial Strength, Commercial Grade, No Tear, Radiant Barrier Wrap (Weatherproofing Attics Windows Garages RV's Ducts & More)
By US Energy Products
In Stock
$128.28
$123.89
You Save: 3%

mpn: 4x100, ean: 8219495223340,

4.2 out of 5 stars with 48 reviews
Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599. Non-toxic, non-carcinogenic, fiber-free, safe to handle and does n


Pemko Spring Bronze Weatherstrip, 1.125" W x 17' L
By Pemko
In Stock
$37.20

mpn: P51B17, ean: 0086787040156,

4.1 out of 5 stars with 21 reviews
Flexible vinyl strips seal against dust and air on louvered or jalousie windowsFor use on wood doors and wood casement windows. Packaged with nails. Nails should be approximately 1-1/2'' on center.. Available in 17 ft. rolls. Larger sizes may be available - please contact customer service. Returns will not be honored on this closeout item.


Double Bubble Reflective Foil Insulation (24 inch X 25 Ft Roll) Industrial Strength, Commercial Grade, No Tear, Radiant Barrier Wrap for Weatherproofing Attics, Windows, Garages, RV's, Ducts & More! .
By US Energy Products
In Stock
$24.24
$21.89
You Save: 10%

mpn: 24x25, ean: 8219495844477,

4.3 out of 5 stars with 25 reviews
Two layers of polyethylene industrialized air bubbles bonded between two layers of highly reflective metalized aluminum polyester film. Industrialized strength, lightweight yet durable insulation designed to hold staples without tearing. Does not compress, collapse or disintegrate. Reflects 97% of radiant heat, emits less than 3% of heat, Class 1 / Class A fire rated radiant barrier that has passed the ASTM E84 test & ASTM E2599. Non-toxic, non-carcinogenic, fiber-free, safe to handle and does n


500 sqft (4ft x125ft) of NASA TECH Commercial Grade SOLID White One Side Non Perforated No Tear Green Energy Radiant Barrier Reflective Insulation Attic Foil Roof Attic House Wrap SCIF RIFD
By AES
In Stock
$74.88

mpn: 2598336, ean: 8046865000016,

4.8 out of 5 stars with 46 reviews
tem Description: >>>500sqft Rolls (2ft x 250ft) >>>Solid Non-Perforated 4 ft X 125 ft roll (500 sf) breathable. Ideal for attics, sheds, warehouses, and as house wrap Double-sided 99.9% PURE reinforced ALUMINUM that blocks 97% of the radiant heat in summer and winter Industrialized strength with woven polyethylene scrim for tear resistance. Cannot be torn or ripped Passes required ASTM fire test (E84 using E2599 mounting method) for building materials Exceeds required ASTM Water Vapor Permeabili


500 sqft (4ft x 125ft) of NASATECH Commercial Grade SOLID Non Perforated No Tear Green Energy Radiant Barrier Reflective Insulation Attic Foil Roof Attic House Wrap SCIF RIFD
By AES
In Stock
$68.88

mpn: SG_B00ZOGWU6W_US, ean: 8046864000154,

4.0 out of 5 stars with 9 reviews
4ft x 125ft SOLID Vapor Barrier Radiant Barrier Scif approved Product Specifications Meets ASTM C1313 Standard Specifications for Sheet Radiant Barriers for Building Construction Applications Product Description Two-sided reflecting metalized film with polyethylene woven reinforcement Weight 36 lbs per 1000 sq ft roll Tensile/Tear Strength Length: 21.49 pounds force Width: 24.56 pounds force ASTM D2261 Pliability 70°F±5°F & 50±5% Relative Humidity - No Cracking or Delamination ASTM C1313-05


Dow Enerfoam 30oz Gun Dispensed Foam (12) + AWF Pro Foam Gun (1) + Great Stuff Pro foam Gun Cleaner (2)
By Great Stuff
In Stock
$189.64

mpn: KTFM 20320, ean: 0855493007179,

4.7 out of 5 stars with 57 reviews
Fill the gaps ... and crack down on energy loss with ENERFOAM Professional Foam Sealant. ENERFOAM Professional Foam Sealant is a polyurethane foam gap/crack filler and fireblock penetration sealant for use all around the home. ENERFOAM is an excellent choice for the contractor and can be used both as a sealant to fill gaps/cracks and an adhesive for Polystyrene board, drywall to wood framing and much more. Considering the combined open space created by gaps, cracks and penetrations in the averag


RadiantGUARD Ultima Radiant Barrier Industrial Grade 500 sq ft roll | 48-inch by 125-feet | U-500-B | Reflective Aluminum Breathable Attic Foil House Wrap Insulation - Blocks 97% of Heat
By RadiantGUARD
In Stock
$109.00
$99.00
You Save: 9%

mpn: U-500-B, ean: 0852166008754,

4.3 out of 5 stars with 54 reviews
Studies show that a majority of the heat that enters your home comes from the sun through the roof into the attic space and then travels through your ceiling into your living space below. On an average summer day, your attic space can quickly heat up to 40 degrees higher than the outdoor ambient temperature. By installing a RadiantGUARD® radiant barrier in your attic, you can block 95-97% of this radiant heat  making your home more comfortable while lowering your utility bills. ULTIMA-FOIL RAD


AES R-8 HVAC Duct Wrap Insulation Reflective 2 Sided Foam Core 4' x 50' (200 Sq Ft)
By AES
In Stock
$124.44

ean: 8215615665229,

4.2 out of 5 stars with 32 reviews
Made in the USA Product: Foam Core laminated between two layers of highly reflective radiant barrier foil. Contact Temperature Range: -60°F To 180°F (-51°C To 82°C) Water Vapor Transmission: .02 Perms**** Puncture Resistance: 60 Lbs. Per In.*** Pliability: No Cracking Linear Shrinkage: None Mold And Mildew: No Growth Flame Spread: 0 Astm E84-08 Smoke Development: 40 Astm E84-08 Fire Rating: Class A / Class 1 Reflectivity: 95% Motor Vehicle Safety Standard 302: Zero Surface Burn Rate Emittanc


US Energy Products 48" x 100' White Double Bubble Reflective Foil Insulation Thermal Barrier R8
By US Energy Products
In Stock
$124.88

ean: 0843215166297,

4.5 out of 5 stars with 55 reviews
US Energy Products 4ft x 100ft White Double Bubble4ft x 100ft White Double Bubble. Class 1 / Class A Fire Rated ASTM Certified. Made In USA / Super Fast Shipping / Ships Same Day. SAFETY: Non-toxic, non-carcinogenic, fiber-free, and does not support growth of mold, mildew or insects or rodents..


Hanes Geo Components 48311 Insuloc Wall and Ceiling Insulation Fabric, 4.5-Feet x 300-Feet
By Hanes Geo Components
In Stock
$67.76

mpn: 48311, ean: 0720305483109,

4.8 out of 5 stars with 44 reviews
Hanes Insuloc Insulation Fabric is great for holding in blown insulation on walls and ceilings. It can be used with cellulose or fiberglass insulation and is lightweight and tear-resistant. It is also used to tidy up sagging bats in crawl spaces, basements and garages. Insuloc can also be used as a multi-purpose fabric to protect hardwood floors, countertops, cabinets and furniture in construction and renovation areas.Primarily used for holding in blown insulation on walls and ceilings. Can be u


US Energy Products 2000sqft (4x500) Diamond Radiant Barrier Solar Attic Foil Reflective Insulation Reflective Aluminum Breathable Attic Roof Foil - BLOCKs 99% of Heat / 99% RF Signals SCIF RFID
By US Energy Products
In Stock
$163.88
$159.89
You Save: 2%
4.9 out of 5 stars with 40 reviews
US Energy Products 2000 sqft Diamond Radiant Barrier Solar Attic Foil Reflective Insulation 2 rolls Reflective Aluminum Breathable Attic Roof Foil - BLOCKs 99% of Heat / 99% RF Signals SCIF RFIDClean, Lightweight, Easy To Install Saves Energy and Money.For Residential Retrofit Product Specifications.. Meets ASTM C1313 Standard Specifications for Sheet Radiant Barriers for Building Construction Applications.. Two-sided DOUBLE SIDED reflecting metalized film with polyester scrim reinforcement.. We


RadiantGUARD Xtreme Radiant Barrier Industrial Grade 500 sq ft roll | 48-inch by 125-feet | Xtr-500-B | Metalized Aluminum Breathable Reflective Attic Foil House Wrap Insulation - Blocks 95% of Heat
By RadiantGUARD
In Stock
$79.00

mpn: Xtr-500-B, ean: 0852166008556,

4.4 out of 5 stars with 38 reviews
Studies show that a majority of the heat that enters your home comes from the sun through the roof into the attic space and then travels through your ceiling into your living space below. On an average summer day, your attic space can quickly heat up to 40 degrees higher than the outdoor ambient temperature. By installing a RadiantGUARD® radiant barrier in your attic, you can block 95-97% of this radiant heat  making your home more comfortable while lowering your utility bills. XTREME RADIANT


Reflectix BP48050 48-Inch-by-50-Feet Square Edge Bubble-Pack Insulation
By Reflectix
In Stock
$84.88

mpn: BP48050, ean: 0783961024826,

4.3 out of 5 stars with 29 reviews
Inhibits or eliminates condensation. Nontoxic/No carcinogenic. Does not require protective clothing, goggles, or respirator. Ideal for basement walls, crawl spaces, or attic. Has r-16.8 value for crawl space applications and R-6.13 value for basement walls. Resistant to mold, mildew, and fungi. Excellent for use with livestock and/or produce. Class A/class 1 Fire rated. 5/16'' Thick.A reflective insulation consisting of two outer layers of 96-percent reflective film, bonded to two layers of heav


RadiantGUARD XTREME Radiant Barrier INDUSTRIAL Grade 1000 sq ft roll | 48-inch by 250-feet | Xtr-1000-B | Metalized Aluminum Breathable Reflective Attic Foil House Wrap Insulation - BLOCKs 95% of Heat
By RadiantGUARD
In Stock
$124.99

mpn: Xtr-1000-B, ean: 0852166008518,

4.1 out of 5 stars with 22 reviews
Studies show that a majority of the heat that enters your home comes from the sun through the roof into the attic space and then travels through your ceiling into your living space below. On an average summer day, your attic space can quickly heat up to 40 degrees higher than the outdoor ambient temperature. By installing a RadiantGUARD® radiant barrier in your attic, you can block 95-97% of this radiant heat  making your home more comfortable while lowering your utility bills. XTREME RADIANT



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