Spray Foam Insulation Kit (18 PK Kit-30oz) - Mega Size for Large

In this review of the Spray Foam Insulation Kit (18 PK Kit-30oz) the bottom line is simple: it is built for larger DIY and professional jobs where coverage and accessories matter. The kit contains eighteen 30 oz cans of expanding closed cell spray foam plus a foam gun, cleaner, multiple nozzles, and personal protective items, making it a practical single-purchase option for anyone sealing gaps, insulating walls or soundproofing spaces. The biggest reason to buy is the sheer MEGA SIZE supply and the inclusion of tools that let users work continuously without scrambling for extras.

Key Features

• Mega kit contents: Eighteen 30 oz cans give far more coverage than single cans, reducing refill and downtime for large projects.
• Complete tooling: The included insulation spray foam gun and multiple nozzles allow more precise application and faster work than using cans alone.
• Cleaner included: A dedicated foam gun cleaner is provided to help maintain the gun and avoid clogging between uses.
• Safety gear provided: The kit includes a safety suit, goggles and gloves so users can start work immediately with basic protection on hand.
• Closed cell formula: High density polyurethane foam expands to fill gaps, offers heat insulation and sound reduction and cures into a stiff, durable seal.
• Versatile adhesion: The foam bonds to many surfaces including wood, concrete, metal and stone, making it usable indoors and outdoors.

Who It's For

This kit is best suited for homeowners tackling whole-room or whole-house projects, contractors working on multiple jobs, or anyone who needs extended run time without frequent resupply. The volume of cans and included applicator gear make it efficient for insulating attics, sealing rim joists, filling voids around windows and doors, and soundproofing interior partitions.

It is less appropriate for someone who only needs a small patch of foam or a one-off minor repair, since the 18-can supply and full accessory set represent a larger upfront purchase and more remaining product to store. Novices should also read the instructions and follow safety guidance before tackling large applications.

Pros & Cons

Pros

• Substantial coverage from 18 high-capacity cans reduces interruptions and saves time on large jobs.
• Included gun, nozzles and cleaner improve application control and maintainability compared with bare cans.
• Protective gear in the kit means immediate safe use without sourcing PPE separately.

Cons

• Some customers report variable stickiness and inconsistent spray capacity with certain cans, so results may vary between cans.
• Large kit size can be overkill for minor repairs and requires safe storage of unused cans.

Specifications

Kit contents	18 x 30 oz spray foam cans, 1 cleaner, 1 spray gun, assorted nozzles, safety suit, goggles, 12 gloves
Foam type	Closed cell polyurethane expanding foam
Cleaner size	9.8 oz (approx 280 g)
Nozzles included	2 short, 2 long gun nozzles, 18 red nozzles, 10 spray can nozzles
Typical application distance	25 to 30 cm from surface for even coverage
Curing	Full day before cutting or shaping

Our Verdict

The Spray Foam Insulation Kit (18 PK Kit-30oz) is a practical option for larger insulation and soundproofing projects because it bundles high-capacity cans with an applicator, cleaner and safety gear. While a few users note inconsistent stickiness or spray capacity across cans, the kit delivers value for multi-area jobs and reduces interruptions by supplying ample material and accessories, making it a good choice for contractors and serious DIYers.

Frequently Asked Questions

How do I get an even bead?
Attach the nozzle and spray from about 25 to 30 cm away, moving steadily to avoid bursts or scattered application.

How long before the foam can be trimmed?
Allow the foam to cure for a full day before cutting or shaping for best results.

What surfaces will it stick to?
The closed cell formula bonds to many materials including wood, concrete, metal, brick, glass and stone.