10Best.Guide

Great Stuff Spray Foam

Top Picks

Last Updated: April, 2023
Pros
  • Creates a great air-tight seal
  • Can fill large gaps up to 2 inches
  • Can be used to fill splits and grooves in timber
  • Can be left on the gun for weeks without wasting product
  • Does not expand excessively and cause bowing
Cons
  • Needs a dispensing gun to work properly
  • Canisters may not flow well after sitting for a few months
Bottom Line
Great Stuff 187273 20-Ounce Window and Door Sealing Foam Gun is a great product for creating an air-tight seal and filling gaps, but it requires a dispensing gun to work properly. It can be left on the gun for weeks without wasting product and does not distort window or door frames. However, some cans may not expel the product and canisters may not flow well after sitting for a few months. It is recommended to purchase the pro can with gun for regular use.
Pros
  • More controllable than a can
  • Saves money in the long run
  • Easy to control how much foam to dispense
  • Better than using cheap cans
  • Great for air-sealing and insulation
Cons
  • Expensive upfront price
  • Can develop build-up in the nozzle
Bottom Line
The foam gun is a great investment for those who frequently use spray foam for air-sealing and insulation. It provides more control and saves money in the long run. However, it may require meticulous upkeep and can be expensive upfront.
Pros
  • Works perfectly for sealing rocks around a waterfall.
  • Easy to use for installing a door in existing construction.
  • Tough and consistent for repairing a fountain.
  • Expands a lot and is pigmented for filling in holes.
  • Comes with a tube applicator for getting into tight places.
Cons
  • Not easy to use and can be messy.
  • Must use all of it once opened.
Bottom Line
This product is effective for sealing, installing, repairing, and filling, but can be messy and difficult to use. It is important to wear gloves and old clothing and be careful with the application. It is also important to note that it expands a lot and can be difficult to clean up once dry.
Pros
  • Expands well to fill in cracks and crevices.
  • Easy to use.
  • Smart straw is awesome.
  • Can be used multiple times.
  • Great for filling gaps in stone foundations.
Cons
  • Very sticky and hard to wash off.
  • Straw is not durable.
Bottom Line
This product is great for filling gaps and cracks, but it can be messy and difficult to use due to the sticky foam and nozzle issues. However, it is still a good choice for those looking for an effective solution for filling gaps and cracks.
Pros
  • Works great for sealing cracks and gaps.
  • Expands to fill the cracks and gaps.
  • Good price and plenty of product.
  • Can be used for cosplay and costume making.
  • Can be used as an adhesive.
Cons
  • Dispenser attachment can be broken.
  • Can clog easily.
Bottom Line
Great Stuff is a good product for sealing gaps and cracks, but it can be messy and hard to clean up. It is important to wear gloves and be careful when using it. It can also be used for cosplay and as an adhesive.

The Ultimate Buying Guide for Great Stuff Spray Foam: Types, Features, Prices, and Tips

Overview

Great Stuff spray foam is a popular choice for DIY insulation projects because of its ease of use and effectiveness. It expands to fill gaps and cracks, creating a tight seal that helps to reduce air leakage and improve energy efficiency. However, with so many types and brands of spray foam on the market, it can be overwhelming to choose the right one for your needs. In this buying guide, we'll take a closer look at the different types of Great Stuff spray foam, key considerations to keep in mind, important features to look for, prices, tips, and frequently asked questions.

Types

There are two main types of Great Stuff spray foam: closed-cell foam and open-cell foam. Closed-cell foam is denser and more moisture-resistant, making it a good choice for outdoor use or areas with high humidity. Open-cell foam is softer and more flexible, making it ideal for indoor use or areas with less moisture. Great Stuff also offers two-component foam kits that require mixing before use.

Key Considerations

When choosing a Great Stuff spray foam, there are several key considerations to keep in mind. These include:

- Purpose: Consider the purpose of the insulation project and the specific areas that need to be insulated.

- Climate: Consider the climate and weather conditions in your area to determine the best type of foam for your needs.

- Application: Consider the application method and tools required for the project.

- Safety: Consider safety precautions, such as proper ventilation and protective gear, when using spray foam.

Features

Here are some important features to look for when choosing a Great Stuff spray foam:

- Expansion rate: Look for a foam with a high expansion rate to ensure it fills gaps and cracks effectively.

- R-value: Look for a foam with a high R-value to ensure it provides adequate insulation.

- Adhesion: Look for a foam with good adhesion to ensure it stays in place and seals effectively.

- Moisture resistance: Look for a foam with good moisture resistance if using in areas with high humidity or moisture.

Prices

Great Stuff spray foam prices vary depending on the type and size of the product. Generally, two-component foam kits are more expensive than single-component cans. Prices can range from $5 to $50 per can or kit.

Tips

Here are some tips for using Great Stuff spray foam:

- Wear protective gear, such as gloves and goggles, when using spray foam.

- Use in a well-ventilated area to avoid inhaling fumes.

- Shake the can well before use and follow the instructions carefully.

- Cut away excess foam after it has cured to create a smooth finish.

FAQs

Q: Can I paint over Great Stuff spray foam?

A: Yes, once the foam has cured, it can be painted over with most types of paint.

Q: Can I use Great Stuff spray foam to soundproof a room?

A: Yes, Great Stuff spray foam can help to reduce noise transmission when used in walls or ceilings.

Q: How long does it take for Great Stuff spray foam to cure?

A: It can take anywhere from a few hours to a few days for Great Stuff spray foam to fully cure, depending on the type and thickness of the foam.

Q: Can I use Great Stuff spray foam to insulate my attic?

A: Yes, Great Stuff spray foam can be used to insulate attics, but be sure to follow the instructions carefully and take proper safety precautions.

Q: Is Great Stuff spray foam flammable?

A: Yes, Great Stuff spray foam is flammable and should not be used near open flames or heat sources.

Runner-Ups

Pros
  • Works as intended
  • Shipping and handling is good
  • Expands more than 3"
  • Fills gaps well
  • A little goes a long way
Cons
  • Messy and drips
  • Hardens quickly
Bottom Line
This product works well for filling gaps and holes, but can be messy and hardens quickly. Make sure to use gloves and eye protection and plan to use the entire can at once. Some cans may not work properly.
Pros
  • Great for sealing entry points and insulating.
  • Hardens completely.
  • Cans go a long way.
  • Can be used with an application gun.
  • Expands quite a bit.
Cons
  • Does not come with a hose or dispenser.
  • Needs a pro gun to work properly.
Bottom Line
Great Stuff foam is a versatile product that can be used for sealing and insulating. It is best used with a pro gun and can go a long way. However, it can be difficult to control the amount dispensed and may be wasteful for one-time use.
Pros
  • Provides insulation quickly
  • Easy to use
  • Smart dispenser allows for easy start and stop
  • Reusable for up to 30 days
  • Works well for filling gaps and cracks
Cons
  • Can be messy
  • Must use all of the product at once
Bottom Line
Great Stuff expanding foam is an effective and easy-to-use product for filling gaps and cracks, but can be messy and must be used all at once. The smart dispenser is a great improvement, but not always foolproof.
Pros
  • Can slow fire progress
  • Dispensing stops almost immediately upon releasing the trigger
  • Orange color makes it easy to spot
  • Can be used for around a month before being permanently clogged
  • Can be used safely around electrical throughways
Cons
  • Nozzle can come loose and foam can seep out
  • Rigid straw can break and spew foam
Bottom Line
Great Stuff Smart Dispenser Fireblock is a good quality product that is easy to use and can slow fire progress. However, users should be careful with the nozzle and straw, and be aware that the propellant may run out before the can is empty.
Pros
  • Effective barrier against insects and rodents.
  • Can be used for multiple purposes.
  • Easy to use for filling small spaces.
  • Can be used as weather sealant and insulation.
  • Can be trimmed for a clean finish.
Cons
  • Difficult to mix and shake.
  • Nozzle gets clogged and cannot be cleaned.
Bottom Line
Great Stuff Pestblock is an effective and versatile product that can be used for various purposes, including sealing gaps and holes against pests and weather. However, it requires careful use and cannot be saved for later use.
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