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Foam Fillers

Designed for professionals, our expanding foam filler is ideal for sealing, insulating, and filling gaps in concrete, wood, drywall, and more. Whether you're working on new builds or repairs, our range includes PU foam sealant, spray foam gap filler, and polyurethane expanding foam for high-performance results. With options like gun grade expanding foam and aerosol spray foam insulation, these solutions ensure airtight, watertight seals across commercial and residential projects.

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  • Soudal Professional PU Designer Metal Foam Applicator Gun

    Soudal
    $110.98 - $110.98
    $110.98
    $110.98 - $110.98
    $110.98
    In Stock

    Features Professional grade metal gun Helps to achieve best yields from foams Excellent trigger feel & control Specifications Brand Name: Soudal Gun Type: Foam Gun Material: Stainless metal body and ergonomic plastic handle Knob Type: Adjustable Application Use alongside Soudal Gun and Foam Cleaner (SKU 120319)

  • Soudal Soudafoam Gap Fill High Expansion 24oz Aerosol Can, Gun Foam - 12 Pcs

    Soudal
    $190.56 - $190.56
    $190.56
    $190.56 - $190.56
    $190.56
    In Stock

    Features High expansion Excellent adhesion to almost all substrates Excellent thermal and acoustical insulation One component moisture curing polyurethane foam CFC-propellants free Very high insulation values No shrinkage Specifications Brand Name: Soudal Container Type: Aerosol Can Net Content: 24 Oz Aerosol Can Gun Foam Colour: Champagne Quantity - 12 Pieces Mildew Resistant: Resists mold and mildew growth Permanent Colour: Retains its hue over time Paintable: Can be painted over for cu...

  • Soudal Gun and Foam Cleaner Acetone-Based, 12 oz Aerosol Can - 12 Pcs

    Soudal
    $110.40 - $110.40
    $110.40
    $110.40 - $110.40
    $110.40
    In Stock

    Features Ready-to-use cleaning aerosol can for use on all SoudaFoam products Makes cleaning quick and easy For hands and tools Cleans uncured sealant Removes oils, adhesive, etc Specifications Brand Name: Soudal Base Type: Acetone Compositions: 2-Propanone, Isobutene, Propane Colour: Clear Quantity: 12 Pieces Container Type: Aerosol Can Net Content: 12 Oz Aerosol Can Odor/Scent: Acetone Temperature: Store in a cool and dry place between 41°F and 86°F Orientation: Keep the can with the val...

  • Soudal Soudafoam Gap Fill High Expansion 20oz Aerosol Can, Genius Gun - 12 Pcs

    Soudal
    $381.12 - $381.12
    $381.12
    $381.12 - $381.12
    $381.12
    In Stock

    Features High expansion Excellent adhesion to almost all substrates Excellent thermal and acoustical insulation One component moisture curing polyurethane foam CFC-propellants free Very high insulation values No shrinkage Specifications Brand Name: Soudal Container Type: Aerosol Can Net Content: 20 Oz Aerosol Can Genius Gun Colour: Champagne Quantity - 12 Pieces Type: One-component, self-expanding polyurethane foam Propellants: Harmless Applicators: Standard straw applicator, foam applica...

  • Soudal Soudafoam Gap Fill High Expansion 12oz Aerosol Can, Genius Gun - 12 Pcs

    Soudal
    $96.96 - $96.96
    $96.96
    $96.96 - $96.96
    $96.96
    In Stock

    Features High expansion Excellent adhesion to almost all substrates Excellent thermal and acoustical insulation One component moisture curing polyurethane foam CFC-propellants free Very high insulation values No shrinkage Specifications Brand Name: Soudal Container Type: Aerosol Can Net Content: 12 Oz Aerosol Can Genius Gun Colour: Champagne Quantity - 12 Pieces Type: One-component, self-expanding polyurethane foam Propellants: Harmless Applicators: Standard straw applicator, foam applica...

  • Soudal Soudafoam Gap Fill High Expansion 12oz Aerosol Can, Straw Foam - 12 Pcs

    Soudal
    $96.96 - $96.96
    $96.96
    $96.96 - $96.96
    $96.96
    In Stock

    Features High expansion Excellent adhesion to almost all substrates Excellent thermal and acoustical insulation One component moisture curing polyurethane foam CFC-propellants free Very high insulation values No shrinkage Specifications Brand Name: Soudal Container Type: Aerosol Can Net Content: 12 Oz Aerosol Can Straw Foam Colour: Champagne Quantity - 12 Pieces Mildew Resistant: Resists mold and mildew growth Permanent Colour: Retains its hue over time Paintable: Can be painted over for ...
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    Milwaukee M12 10 Oz Caulk Gun

    Milwaukee
    $159.00 - $159.00
    $159.00
    $159.00 - $159.00
    $159.00
    In Stock

    Features Up to 400 lbs of pushing force Variable speed trigger and max speed dial for complete control 0-28 IPM dispensing rate Interchangeable quick-change carriage design for converting material types Specifications Powered Tool Power Source: Electric - Cordless Cordless / Corded: Cordless Variable Speed: Yes Maximum Speed (in/min): 28.0 Minimum Speed (in/min): 1.0 Maximum Force (lbs): 400.0 Color / Finish: Red/Black Seal Puncture Tool: No Spout Cutter: No Capacity: 10 oz Variable Press...

Professional-Grade Sealing Solutions for Construction, Insulation, and Repair


  • PU Foam Sealant for Tight Seals

    • Expands quickly upon application to seal cracks, joints, and seams, preventing drafts and water infiltration. It bonds strongly to wood, concrete, brick, and metal, ensuring lasting performance in all environments.


  • Spray Foam Gap Filler for Versatile Applications

    • Ideal for sealing around windows, doors, and electrical penetrations, this foam conforms to irregular shapes and ensures full coverage. It enhances thermal insulation and minimizes energy loss in both commercial and residential spaces.


  • Polyurethane Expanding Foam for Strong Bonding

    • Creates a high-density, rigid structure once cured, offering a secure and durable seal that withstands temperature shifts and moisture. It's ideal for high-demand applications in construction and industrial repairs.


  • High Expansion Spray Foam for Large Voids

    • Perfect for filling wide gaps, cavities, and hard-to-reach areas, this foam rapidly expands to cover more surface area with less product. It offers a clean finish with minimal shrinkage or sagging after curing.


  • Foam Filler for Concrete and Structural Gaps

    • Specifically engineered to bond with masonry and concrete, this foam resists cracking and deterioration over time. It supports structural integrity while blocking out pests, moisture, and air leaks.


  • Spray Foam Applicator Gun Compatibility

    • Designed for use with a spray foam applicator gun, it provides precise dispensing, reduces product waste, and ensures professional-grade finish with clean lines and even fill in every application.



Frequently Asked Questions About Foam Fillers


Can I use spray foam gap filler around windows?

Yes, PU foam sealant works well around window and door frames with controlled expansion.


Does polyurethane expanding foam resist moisture?

Yes, it creates a water-resistant barrier once cured, ideal for indoor and outdoor use.


What’s the benefit of gun grade expanding foam?

Gun grade expanding foam offers more precise control and less product waste during application.


Can foam filler be used on concrete surfaces?

Absolutely—our foam filler for concrete bonds effectively with masonry and fills structural voids.


Do I need a special tool to apply the foam?

For best results, use a spray foam applicator gun with gun-grade products for cleaner, controlled application.

Clearance Center

  • Werner Self Trailing Rope Grab with 50% OFF Stainless Steel
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    Werner Self Trailing Rope Grab with Shock Pack, Stainless Steel

    Werner Fall Protection
    $162.00
    $162.00 - $162.00
    $162.00
    $81.00
    $81.00 - $81.00
    $81.00
    Only 1 left!

    The Werner Self-Trailing Rope Grab delivers reliable, hands-free fall protection for professionals working at height. Designed for 5/8-inch (16 mm) synthetic rope lifelines, this stainless steel rope grab automatically follows the user’s movement up and down the lifeline, providing smooth mobility and instant locking in the event of a fall. Built from premium stainless steel, the L240002 offers superior corrosion resistance and long-term durability in tough jobsite conditions. The integrated ...
  • Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard, durable fall protection harness with integrated energy absorber, now available at 50% off.
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    Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard

    Werner Fall Protection
    $415.20
    $415.20 - $415.20
    $415.20
    $207.60
    $207.60 - $207.60
    $207.60
    Only 7 left!

    The Werner Twin Leg Lanyard comes with a 50% offer and is designed to deliver premium fall protection, flexibility, and durability for workers in construction, maintenance, and industrial environments. Featuring tie-back capability, it allows the user to anchor directly to the structure, eliminating the need for a separate anchorage connector. With twin-leg construction, this lanyard offers 100% tie-off — ensuring continuous protection when moving between anchor points. The integrated DeCoil ...
  • Werner LITEFIT™ Small Construction Harness with tongue buckle legs — 50% off.
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    Werner LITEFIT™ Construction Harness Tongue Buckle Legs Small

    Werner Fall Protection
    $1,491.80
    $1,491.80 - $1,491.80
    $1,491.80
    $745.90
    $745.90 - $745.90
    $745.90
    10+ in stock

    The Werner LITEFIT™ Construction Harness in half of the price delivers all-day comfort, superior fit, and dependable safety for construction professionals working at height. Designed with Werner’s trusted engineering, this full-body fall arrest harness provides the perfect balance between lightweight comfort and heavy-duty durability. The tongue buckle leg straps allow for easy adjustment and a secure fit, while the built-in back D-ring ensures reliable fall arrest connection. Featuring durab...
  • Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable at 50% off
    Ships within 1 week
    Ships within 1 week

    Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable

    Werner Fall Protection
    $440.80 - $440.80
    $440.80
    $499.00
    $499.00 - $499.00
    $499.00
    Ships within 1 week

    The Werner 50 ft Self-Retracting Lifeline (SRL) with galvanized steel cable provides reliable fall protection with superior reach and mobility and get 50% offer. Engineered for overhead use, this Class 1 SRL is designed to arrest falls quickly while minimizing impact forces on the user. Built with Werner’s advanced internal braking system, the Max Patrol™ SRL offers smooth deceleration and quick activation, enhancing safety in elevated work environments. The durable galvanized steel cable res...
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    Safewaze 11 ft Cable Class A Self-Retracting Lifeline with Snap Hook

    Safewaze
    $149.00
    $149.00 - $149.00
    $149.00
    $74.50
    $74.50 - $74.50
    $74.50
    Only 1 left!

    The Safewaze 11 ft Cable Class provides dependable, compact fall protection for workers at height. Designed for safety, portability, and performance, this Class A SRL features a durable galvanized steel cable and double-locking swivel snap hook to ensure secure attachment in all conditions. Engineered for construction, maintenance, and industrial applications, this self-retracting lifeline offers smooth lifeline retraction, rapid fall arrest, and minimal impact force in the event of a fall. I...
  • Radians Tecona® Smoke Anti-Fog Safety Glasses
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    Radians Tecona® Smoke Anti-Fog Safety Glasses

    Radians
    $201.24
    $201.24 - $201.24
    $201.24
    $100.62
    $100.62 - $100.62
    $100.62
    10+ in stock

    The Radians Tecona offers dependable eye protection with a lightweight and stylish wraparound design. Engineered for comfort and durability, these glasses feature a scratch-resistant smoke lens that reduces glare and eye strain in bright outdoor conditions — perfect for construction, landscaping, or industrial work. The anti-fog coating ensures clear vision even in humid or high-heat environments, while the vented rubber nosepiece and rubber-tipped temples provide a secure, non-slip fit throu...