GMSA PU Foam Polyurethane Spray Gap Filler

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GMSA PU Foam Spray is a high performance expanding polyurethane sealant used for airtight sealing, waterproof gap filling, and strong insulation. It easily fills cracks, joints, and cavities in walls, windows, doors, pipes, and ducts with powerful bonding on concrete, brick, wood, metal, PVC, and masonry. Available in 500ml and 750ml size variations, this foam is ideal for both professional construction and home repair use.

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Name: GMSA PU Foam Polyurethane Spray Gap Filler
Brand: GMSA
SKU: Pu-Foam
Availability: InStock

Free Returns within 7 Days of Shipment

No Hassle Returns

Except as otherwise described here in our Terms & Conditions, if you are not satisfied for any reason, items may be returned within 7 days of shipment for a full credit or exchange. We will cover the cost of return shipping, and credit the original form of payment within 7 business days of receipt. Certain exceptions apply.

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Items can be returned from order history while logged in, or by using your order number and email address. A button to return item(s) will be available as long as they are within 7 days of shipment.

Items submitted for a return online are eligible for a full credit refund. For replacements, please contact Customer Service.

Exceptions

Returned items must be in the original packaging, contain all components, and be in new condition.
Returns may require additional information or a photo of the item(s) to process the return.
Returns received at Expert tools without a packing slip may be assessed a 15% processing fee that will be deducted from any credit due.
Returns received without a Expert tools return label may take more than 7 days to credit.

Expert tools World reserves the right to refuse or limit any returns that, in Expert tools sole judgment, appear to be fraudulent, abusive, in violation of these terms, or otherwise inappropriate.

Damaged Items

We work hard to ensure that all items are received in good condition, and if the item is damaged, we sincerely apologize for any inconvenience. We will do all we can to remedy the situation—either by sending a replacement item or refunding your order—and we’ll help you return the damaged item at our expense. Start the return online for a full credit refund, or contact Customer Service for replacements.

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GMSA PU Foam Spray for Gap Filling Expanding Insulation Polyurethane Sealant

Upgrade your construction, repair, and DIY projects with the GMSA Magic PU Foam Spray for Gap Filling, a high performance expanding insulation polyurethane sealant designed for airtight sealing, gap filling, and professional insulation results. This PU foam spray is ideal for walls, windows, doors, pipes, ducts, electrical outlets, and structural joints where strong bonding and long lasting durability are required. This product is available in 500ml and 750ml size variations to suit both small and large scale applications.

Manufactured using high density polyurethane technology, GMSA Magic PU Foam expands evenly to fill narrow and wide cavities, forming a waterproof, weather resistant, and energy efficient seal. After curing, the foam can be trimmed, sanded, and painted for a clean professional finish.

Key Features & Benefits

Powerful Expanding Formula: Expands smoothly to fill deep cracks, wide gaps, and hollow cavities completely.
Strong Multi Surface Bonding: Bonds firmly with concrete, brick, metal, wood, PVC, plastic, masonry, and glass.
Airtight & Waterproof Seal: Blocks air leakage, water entry, dust, insects, and pests.
Thermal & Sound Insulation: Improves energy efficiency and reduces outside noise.
No Shrink & No Cracking: Maintains strength and flexibility over time.
Paintable & Sandable: Easy finishing after full cure for clean professional results.

Why Choose GMSA PU Foam Spray?

GMSA PU Foam Spray is not just a filler, it is a complete professional sealing and insulation solution. It delivers reliable bonding strength, long term durability, and efficient insulation performance for construction, renovation, and technical installations.

Provides airtight sealing for energy saving results.
Delivers long lasting waterproof protection.
Ideal for professional contractors and DIY users.
Designed for Pakistan temperature and site conditions.

How to Use

Shake the can well for 20 to 30 seconds.
Attach the nozzle securely.
Fill only 50 to 60 percent of the gap as foam expands automatically.
Allow foam to cure properly.
Trim excess foam using a cutter after curing.
Paint or sand as required.

Always wear gloves and use in a well ventilated area.

Ideal For

Window and door frame installation
Wall cracks and cavities
Electrical and plumbing gaps
AC duct and HVAC sealing
PVC pipe entries
Roof joints and wall penetrations
Soundproofing and insulation work
Home, workshop, commercial and industrial projects

Note

This product is intended for professional construction and insulation use. Always store in a cool dry place and keep away from direct heat.

Summary

Get professional grade sealing, insulation, and gap filling performance with the GMSA PU Foam Spray for Gap Filling. Available in 500ml and 750ml pack sizes, this expanding polyurethane sealant delivers strong bonding, waterproof protection, and long lasting durability for all types of applications.

Specifications

Specification	Details
Brand	GMSA
Product Type	PU Foam Spray Gap Filler
Chemical Base	Polyurethane
Form	Expanding Foam
Available Sizes	500ml, 750ml
Skin Formation Time	5 to 15 minutes
Cut Time	60 minutes approx
Full Cure Time	17 to 24 hours
Temperature Resistance	Minus 30 degree C to Plus 80 degree C
Paintable	Yes
Usage Areas	Indoor and Outdoor
Country of Origin	Pakistan