Fibreglass Roof Cost Calculator
Here's an example table estimating the cost of fibreglass roofs, along with other types of flat roof materials, for various sizes of roofs:
| Roof Size (Square Meters) | Fibreglass Roof Cost (£) | Felt Roof Cost (£) | EPDM Rubber Roof Cost (£) | GRP Roof Cost (£) |
|---|---|---|---|---|
| 20 | £800 - £1600 | £400 - £800 | £700 - £1400 | £1400 - £2400 |
| 50 | £2000 - £4000 | £1000 - £2000 | £1750 - £3500 | £3500 - £6000 |
| 100 | £4000 - £8000 | £2000 - £4000 | £3500 - £7000 | £7000 - £12000 |
| 200 | £8000 - £16000 | £4000 - £8000 | £7000 - £14000 | £14000 - £24000 |
These cost estimates are based on average prices in the UK and may vary depending on factors such as location, quality of materials, and installation complexity. It's essential to obtain quotes from reputable roofing contractors for accurate pricing.
FAQs
How much does fibreglass cost per square metre?
The cost of fibreglass roofing material typically ranges from £40 to £80 per square meter in the UK, depending on factors such as quality, supplier, and installation requirements.
How much does a flat roof cost per m2 UK?
The cost of a flat roof in the UK can vary widely depending on the material used, the size of the roof, and the complexity of the installation. On average, the cost can range from £40 to £100 per square meter.
How much does a GRP flat roof cost?
A GRP (Glass Reinforced Plastic) flat roof typically costs between £70 to £120 per square meter in the UK, including materials and installation.
Is a fibreglass roof more expensive than felt?
Yes, generally, a fibreglass roof is more expensive than a traditional felt roof. However, fibreglass roofs offer longer durability and require less maintenance compared to felt roofs, which may justify the higher initial cost.
How long does it take to fibreglass a roof?
The time it takes to fibreglass a roof can vary depending on factors such as the size of the roof, complexity of the installation, and weather conditions. On average, it may take around 1 to 3 days to fibreglass a typical residential roof.
How long will a fibreglass roof last?
A properly installed fibreglass roof can last for 20 to 30 years or more with regular maintenance. Fibreglass roofs are known for their durability and longevity.
How much should a new flat roof cost UK?
The cost of a new flat roof in the UK can vary widely depending on factors such as the material used, size of the roof, and complexity of the installation. On average, homeowners can expect to pay between £1,500 to £5,000 for a new flat roof.
What is the cheapest flat roof system?
The cheapest flat roof system typically involves using traditional felt roofing material. However, it's important to consider long-term durability and maintenance costs when choosing a roofing system.
What is the cheapest way to do a flat roof?
The cheapest way to do a flat roof is often by using traditional built-up felt roofing material. However, fibreglass roofing systems, despite being initially more expensive, can offer better value over the long term due to their durability and longevity.
Is fiberglass roof worth it?
Yes, fibreglass roofs are worth considering due to their durability, longevity, and low maintenance requirements. Although they may have a higher upfront cost compared to other roofing materials, they can provide significant cost savings over their lifespan.
Can you walk on a fibreglass flat roof?
Yes, fibreglass flat roofs are designed to be walked on for maintenance purposes. However, care should be taken to avoid causing damage, especially in cold weather when the material can become brittle.
Do fibreglass roofs crack?
Fibreglass roofs are resistant to cracking under normal conditions. However, poor installation or extreme weather conditions can potentially cause cracks. Regular maintenance and proper installation can help prevent cracking.
Can you fibreglass over existing roof?
In some cases, it may be possible to fibreglass over an existing roof, depending on its condition and compatibility with the fibreglass material. However, it's essential to ensure proper preparation and adherence to building regulations.
Can you recoat a fibreglass roof?
Yes, it's possible to recoat a fibreglass roof to extend its lifespan and maintain its waterproofing properties. However, proper preparation and application techniques are crucial for ensuring a successful recoating.
Can you go over fibreglass roof?
Yes, it's possible to go over a fibreglass roof with additional layers of fibreglass material to provide additional waterproofing and reinforcement. However, proper preparation and adherence to building regulations are essential.
Is fibreglass roof better than felt?
Fibreglass roofs are generally considered better than felt roofs due to their longer lifespan, durability, and resistance to weathering and leaks. However, fibreglass roofs may have a higher initial cost compared to felt roofs.
How many layers of Fibreglass roofing are needed?
Typically, fibreglass roofing systems require at least two layers of fibreglass matting and resin for proper reinforcement and waterproofing. Additional layers may be added for increased durability and strength.
How much fall on a fibreglass flat roof?
Fibreglass flat roofs should have a minimum fall or slope of 1:80 to ensure proper drainage and prevent water pooling. However, the specific slope required may vary depending on local building codes and conditions.
Can you jet wash a fibreglass roof?
Yes, you can jet wash a fibreglass roof to remove dirt, debris, and algae buildup. However, it's essential to use low pressure and avoid directing the jet wash nozzle directly at the roof surface to prevent damage.
Why is my fibreglass roof peeling?
Peeling on a fibreglass roof can occur due to various factors, including poor installation, inadequate preparation, or exposure to harsh weather conditions. Proper installation techniques and regular maintenance can help prevent peeling.
What is the difference between GRP and fibreglass?
GRP (Glass Reinforced Plastic) is a type of fibreglass composite material commonly used for roofing applications. Technically, there is no difference between GRP and fibreglass, as GRP is a specific type of fibreglass reinforced with plastic.
Can I get a government grant for a new roof UK?
In some cases, homeowners in the UK may be eligible for government grants or subsidies to help cover the cost of roof repairs or replacements, particularly for energy-efficient upgrades. Eligibility criteria and availability vary depending on location and circumstances.
What is the longest lasting flat roof material?
Fibreglass (GRP) and EPDM rubber are among the longest-lasting flat roof materials available, with lifespans of 30 years or more when properly installed and maintained.
What is the best flat roof to have?
The best flat roof material depends on factors such as durability, cost, and maintenance requirements. Fibreglass (GRP) and EPDM rubber are popular choices due to their longevity and waterproofing properties.
What type of flat roof lasts the longest?
Fibreglass (GRP) and EPDM rubber flat roofs are known for their longevity and can last 30 years or more with proper installation and maintenance.
How long does it take to fit a flat roof?
The time it takes to fit a flat roof can vary depending on factors such as the size of the roof, the chosen material, and the complexity of the installation. On average, it may take 1 to 3 days to complete the installation.
Why does my flat roof leak in heavy rain?
Flat roofs may leak in heavy rain due to factors such as poor installation, deteriorating roofing materials, inadequate drainage, or flashing defects. Regular maintenance and inspections can help identify and address potential issues.
Do you need planning permission for a flat roof?
In most cases, replacing an existing flat roof with a similar material does not require planning permission in the UK. However, it's essential to check with local authorities and adhere to building regulations.
Are fibreglass flat roofs noisy?
Fibreglass flat roofs can be noisier than other roofing materials, especially during heavy rainfall or hailstorms. However, proper insulation and soundproofing measures can help mitigate noise levels.
How thick is a fibreglass roof?
The thickness of a fibreglass roof typically ranges from 1.5mm to 4mm, depending on the number of layers applied during installation and the specific product used.
Which is better fiberglass or polycarbonate roofing?
Both fibreglass and polycarbonate roofing materials have their advantages and disadvantages. Fibreglass roofs offer better durability and resistance to weathering, while polycarbonate roofs are lighter and offer better insulation properties.
What are the disadvantages of Fibreglass roofing?
Some disadvantages of fibreglass roofing include its relatively high initial cost, requirement for professional installation, potential for cracking in extreme temperatures, and the need for regular maintenance.
Which is best for a flat roof rubber or fibreglass?
Both EPDM rubber and fibreglass (GRP) are suitable options for flat roofs, each with its advantages. EPDM rubber is easier to install and repair, while fibreglass offers greater durability and longevity.
Will fibreglass set in cold weather?
Fibreglass resin can set in cold weather, but the curing time may be longer, and the process may be less effective at very low temperatures. It's essential to follow manufacturer guidelines and avoid working in extremely cold conditions.