Gaco 183M


Gaco 183M CCMCGaco 183M-CAN is a two component HFC-blown (zero ozone-depleting) liquid spray system that cures to a medium-density rigid cellular polyurethane insulation material. Gaco 183M-CAN contains polyols derived from naturally renewable oils, post-consumer recycled plastics, and pre-consumer recycled materials.

This closed cell foam is designed to provide: excellent thermal performance; air impermeable insulation; and, an integral part of an air barrier assembly. The finished material meets or exceeds the requirements of CAN/ULC-705.1. The cured material is pewter in colour.

2.0 lb.

Core Density

Type 1



R-Value Per Inch

Key Features

LTTR - TYPE 1 provides long-term thermal resistance of 1.8 m²•K/W at 50 mm.

Gaco 183M medium-density SPF has an LTTR R-Value of 5.4 per inch.

Meets and exceeds CAN/ULC S705.1 (Including Amendments 1, 2 and 3) as referenced in the National Building Code of Canada.

Use on substrates as cold as -11°C (12°F).

Safe for electrical wiring, can be applied over typical electrical wiring without affecting wire coverings.

Safe for plumbing, can be applied over PVC (polyvinyl chloride), ABS (acrylonitrile butadiene styrene), PEX (cross-linked polyethylene), copper and steel piping systems.

Typical Applications

Residential, commercial, industrial and institutional building insulation.

Interior perimeter stud wall insulation.

Exterior, below grade and under slab applications.

Freezers & Coolers.

Spray Equipment

This product is designed to be sprayed with a plural component spray machine. If you’re thinking about getting into spray foam insulation, do it right. Graco’s complete line of Reactor equipment gives you the reliable performance your company demands. Don’t settle for anything less.

Documentation and Links

Please click the links below for additional information on the Gaco 183M material.

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