Polyurethane Foam Products

Where Quality Meets Price On Polyurethane Foam Products

Hi there! We’re Jireh Construction, and we’re here to help you understand more about polyurethane foam. Don’t worry — it’s not as complicated as it sounds. Polyurethane foam is a soft or hard material made from a type of plastic. It’s like the foam you find inside your couch cushions, bed mattress, or even inside your home’s walls. Sometimes it’s soft and squishy, and other times it’s rigid like a board. It all depends on how we mix it!

When we make polyurethane foam, we mix two special liquids. Once they come together, they grow like bread dough and become foam. This foam fills spaces, seals gaps, or adds comfort. It’s a smart material that can do many jobs. At Jireh Construction, we use this foam because it’s light, strong, and works fast. It’s also excellent for insulation, which means it helps keep heat inside during cold months and outside when it’s hot.

We love using polyurethane foam in buildings, walls, ceilings, and even under floors. It keeps homes safe, strong, and energy-efficient. Think of it as the hidden helper inside your home. You don’t always see it, but it works every day to keep your house cosy and safe. So yes, polyurethane foam is clever, useful, and something we use a lot in our work!

Common Uses of Polyurethane Foam Products

At Jireh Construction, we use polyurethane foam in many ways. It’s one of our favourite building materials because it can be used just about anywhere. Whether you are building a house, fixing a roof, or making your home warmer, this foam can help.

Let’s start with something easy. Have you ever sat on a soft chair or lay on a comfy bed? That soft feeling usually comes from polyurethane foam. It’s used inside mattresses, pillows, couches, and car seats. It makes things soft and cosy for you to sit or sleep on.

Now, let’s talk about homes and buildings. Polyurethane foam is amazing for insulation. That means it helps keep the temperature inside your home just right. In the winter, it keeps the warm air in. In the summer, it helps keep the hot air out. This helps you save money on electricity and makes your home more comfortable.

We also use it in walls, ceilings, and floors. It fills up little cracks and holes. That keeps out cold wind, hot sun, bugs, and even noise. It’s like a protective blanket around your house. Another cool use is in fridges and freezers. Polyurethane foam keeps the cold air in so your food stays fresh. It’s even used in big freezers at supermarkets!

Here’s one more: packaging. When something fragile needs to be shipped, polyurethane foam keeps it safe. It acts like a cushion to stop the item from breaking. So whether it’s in your home, your car, or your food store, this foam is helping somewhere around you. And when you hire Jireh Construction. We use it the smart way to make your space better, safer, and more energy-efficient.

low density foam 12 17

Low Density Foam

Foam Density Is 17 In Sheets Of 5 mm

It has a density of 17. That means it is soft but still strong. We sell it in sheets that are 5 mm thick. You can cut it easily with scissors or a knife. It works well for crafts, cushions, and padding. It helps protect items and makes seats comfy. This foam is easy to clean and lasts a long time.

R16.00 per sheet
5 mm Sheets
R32.00 per sheet
10 mm Sheets
R64.00 per sheet
20 mm Sheets
R128.00 per sheet
40 mm Sheets
R320.00 per sheet
100 mm Sheets

low to medium 17 20

Low to Medium Density Foam

Foam Density Is 20 In Sheets Of 20 mm to 30 mm

It has a density is 20, so it is firmer and stronger. It comes in sheets that are 20 mm thick. You can cut it with simple tools like scissors or a knife. It is great for making comfy cushions and padding or protecting items. This foam is easy to clean and will last a long time.

R63.00 per sheet
20 mm Sheets
R97.00 per sheet
30 mm Sheets

medium density foam

 Medium Density Foam

Foam Density Is 22 In Sheets Of 20mm to 30 mm

Its density is 22. That means it is strong and firm. It comes in sheets that are 20 to 30 mm thick. You can cut it with scissors or a knife. It is good for making seats, cushions, and padding. It keeps things safe and makes them comfy. You can wipe it clean easily, and it lasts a long time.

R65.00 per sheet
20 mm Sheets

R99.00 per sheet
30 mm Sheets

grey

Low Density Foam

Foam Density Is 25 In Sheets Of 20 mm to 30 mm

It has a density is 25. That means it is soft but still strong. We sell it in sheets that are 20 to 30 mm thick. You can cut it easily with scissors or a knife. It works well for crafts, cushions, and padding. It helps protect items and makes seats comfy. This foam is easy to clean and lasts a long time.

R65.00 per sheet
20 mm Sheets

R99.00 per sheet
30 mm Sheets

high density foam

Medium To High Density Foam

Foam Density Is 28 In Sheets Of 100 mm

This is medium to high density foam. Density tells how heavy the foam is. It 28 density. The foam comes in flat sheets. The sheets are 100 mm thick. You can use it for making cushions, seats, and padding. It is strong and lasts a long time.

R433.00 per sheet
100 mm Sheets

FAQ Polyurethane Foam

Get Answers To Common Polyurethane Foam Questions We Get Asked On A Regular Basis

What are the differences between foam densities?

Foam density measures weight per cubic foot when cured. Low-density foams are lightweight, offer greater expansion and cost-effective coverage. As density increases, foam becomes heavier, stronger, and more rigid, but expansion ratio drops and cost per cubic foot rises. Choose based on strength versus coverage needs prudently.

Which density is used for flotation in the bottom of a boat?

At Jireh Construction, our 2 lb density foam delivers roughly 60 lbs of buoyancy per cubic foot, making it ideal for basic marine flotation. For applications needing added structural strength—such as surrounding gas tanks or reinforcing decks—our 4 lb density foam offers enhanced rigidity without sacrificing floatation efficiency.

What is low-density foam best for?

Low-density polyurethane foam is soft, flexible, and highly resilient, making it perfect for cushioning and comfort applications. You’ll find it in sofa cushions, mattresses, bedding, and automotive seating. Its open-cell structure ensures breathability and excellent shock absorption, offering long-lasting comfort in furniture, athletic equipment, and packaging solutions reliably and consistently.

What is high-density foam best for?

High-density polyurethane foam delivers robust load-bearing support and reduced expansion, making it ideal for structural applications. You’ll see it used in insulation panels, flooring underlayment, and as a core in composite sandwich panels. Its closed-cell rigidity resists compression and deformation, ensuring long-term stability in heavy-duty and industrial environments reliably worldwide.

Can I use the foam outdoors and in wet conditions?

Yes, our closed-cell polyurethane foam can be used outdoors and in moist environments. It withstands contact with water for extended periods without adverse effects. At temperatures below 80 °F, expansion may reduce by up to half, so we recommend applying in controlled conditions or preheating in cooler weather for optimal performance.

How much time do I have to pour the foam before it starts expanding?

After mixing the two liquid components, you have approximately 45 seconds before the foam begins to rise. We advise stirring vigorously for 25 seconds, then pour within the remaining 20 seconds. Full expansion occurs in about 5 minutes, and the foam hardens sufficiently in roughly 15 minutes at standard temperature.

How can I ensure good foam expansion every time?

Optimal foam expansion relies on correct temperature and thorough mixing. Keep component liquids at or above 80 °F using space heaters or warm water baths. Stir vigorously for at least 25 seconds, or employ a high-speed mixer for larger batches, to ensure a uniform reaction and full foam expansion every time.

What safety equipment do I need when handling polyurethane foam?

Working safely with polyurethane foam requires gloves, eye protection, and a well-ventilated workspace. The foam off-gasses carbon dioxide during expansion, so outdoor or exhaust-ventilated areas are best. Keep acetone or lacquer thinner on hand for liquid cleanup, and cover surfaces to prevent unwanted adhesion to materials you want to protect.

What is the difference between open-cell and closed-cell foam?

Open-cell foam consists of interconnected pockets that allow air and moisture to pass through, offering flexibility and an R-value of about 3–4 per inch. Closed-cell foam, however, has sealed cells filled with gas, delivering an R-value of approximately 5.5–7 per inch, higher rigidity, and superior moisture resistance and durability guaranteed.

How do I calculate how much foam I need for a project?

To estimate foam quantity, calculate your cavity’s volume by multiplying length × width × height. For rectangular spaces, convert measurements to feet or inches consistently; divide cubic inches by 1,728 to get cubic feet. For cylindrical shapes like pontoons, use π × radius² × length, then convert cubic feet for accurate ordering easily.