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FAQ

6 Delivery

Delivery related queries for FibreGlassDirect. If you need to track a parcel or enquire about delivery times check out our FAQ guide.

(Product Price + delivery) + VAT at 20% = total cost

The cost of the delivery is calculated according to the weight of the order, the delivery location and the classification of the order (non-hazardous, hazardous and limited quantity). All items are despatched by courier with the exception of small items (non-hazardous items), which are sent via Royal Mail. See the Shipping/Returns page for further information. 

For all orders received, we will endeavour to dispatch your order by the following working day and delivered within 2-3 days. For urgent delivery assistance please contact a member of our sales team direct through email or phone. 

Yes, as most of our products are classed as hazardous they must be signed for. The exception to this is if the customer specifically asks for the goods to be left at an alternative location when making an order which is at their own risk.

Currently, we only ship to Mainland UK, Northern Ireland and the Republic of Ireland. If you are looking for fibreglass materials in France please visit our sister company Résines Composites Direct.

As our goods are considered hazardous, delivery costs overseas are often very expensive. If you prefer you can appoint a courier to collect the goods at any of our depots and arrange your own... Read more

To track your order, use our order tracking form and we will contact you as soon as possible with an update on your order. 

5 Resin, Catalyst & Laminating

Commonly asked questions on the different types of resins on offer at FibreGlassDirect. 

We would recommend priming the lead with a G4 Damp Seal first. G4 should be thinly applied with a brush or roller and allowed to tack before applying the resin and chopped strand matting. 


When it first comes it is fully sealed so you snap off the top. The outside is threaded so if you flip the cap you will see the threads are on the opposite side. The cap will screw back on then to re-seal. 


Our Low-Cost General Purpose Resin is a re-blended resin which is suitable for non-critical DIY repairs (such as downpipe repairs etc.) Lloyds Approved Resin is a higher quality Polyester Resin which has been tested and approved by the Lloyds Register. It can be used for potable water storage projects, marine, pond and boat repairs. It is also WRAS Approved. Both are polyester resins.

For most resins, add 2% by weight, i.e. 1kg of resin requires 20g of Catalyst (based on room temperature). Alternatively, use our Materials Quantity Calculator For Clear Casting Resin the catalyst addition is 1%.  

For colder conditions, more catalyst may need to be mixed into the resin to ensure a cure. In the winter months, our Roofing Kits will increase from 2% catalyst addition to 3%. Likewise, in warmer climates, less catalyst may... Read more

Work out how much Glass you have by weight and multiply by 2.5. i.e. for 2kg of fibreglass mat, you will require 5kg of resin. Alternatively, use our Materials Quantity Calculator. Roofing applications may require more resin if the resin is applied to OSB3 boards as the boards will soak more resin. Our materials calculator will give exact requirements depending on application e.g. Roofing, Pond Lining or General Fibreglass Projects.

4 Gelcoat / Topcoat

Understand the differences between Topcoat & Gelcoat, application details and characteristics. 

If the area has an old layer of Topcoat which you wish to refresh there is no need to prime the area with a product such as G4 for example. You will, however, need to sand down the area, wipe down with Acetone and reapply a new layer of Topcoat/GRP materials if required.

When applying a topcoat after laminating, apply between 500 and 550g per m². Alternatively, use our Materials Quantity Calculator. For Fibreglass Roofing applications, this should increase to 600g per m².

When applying Gelocat to a mould, apply between 500 and 550g per m². Alternatively, use our Materials Quantity Calculator

 Gelcoat is not a finishing coat; it is painted onto moulds/plugs and remains tacky after it cures. Resin and Glass are generally applied on top of the Gelcoat. It forms the hard, smooth shiny surface of the finished article and is usually pigmented. It paints on easily but does not drain from vertical surfaces.... Read more

1 Fibreglass Pond Lining

If you are planning on lining a pond using fibreglass, check out our expert answers to frequently asked questions. 

Use our pond calculator to calculate the surface area of your pond. You should then buy the next available size, so say for example your Pond Surface Area is 18m², you should buy a 20m² kit. For a full range of our Pond kits click here

1 Fibreglass Roofing

All of your questions in relation to Fibreglass Roofing answered here at FibreGlassDirect. Expert answers on all aspects of application including trims, topcoat and the laminating process. 

Before starting laminating, ensure that the weather conditions will be acceptable. Do not lay the roof if rain is forecasted. Temperatures should be at least 15°C to allow the resin to cure. If the temperature is too hot (over 25°C) the resin will cure too quickly.

  • Sweep down the roof to remove any debris. We start by bandaging the... Read more

6 Roofing Trims

Whilst we would recommend GRP Trims with a fibreglass roof (the fibreglass will bond better). If you decide to use lead or metal trims, ensure the lead or metal is clean and free from contaminants. Use G4 sealer when overlapping with the fibreglass.

  • Sand an area of about 50mm around the crack using rough grit sandpaper to create a key. Clean down with acetone.
  • Cut a piece of 450g chopped strand mat the same size as the area sanded. Cut a second piece of 450g chopped strand mat slightly smaller.
  • Mix resin and catalyst. Brush on the resin to the area and apply the larger piece of glass. Applied more resin until the glass is fully wetted out. Apply the second layer of glass and wet out with resin using a brush.... Read more

It is recommended that 15mm galvanised clout nail is used or s/s staples that will sit flush with the roof.

Roof trims should be measured and cut to size with a 'snips' (to reduce dust). A dab of roofing adhesive should be applied to the batons to prevent rattling in the wind. Roof trims should then be either stapled with s/s staples of nailed using 15mm clout nails into place every 120-150mm. Where two trims have to be joined together, ensure an overlap of 50mm and apply roofing adhesive to seal.

A drip trim is placed at the lowest edge of the roof and is used to allow the water to runoff into a gutter. A raised edge trim is used to prevent the water runoff.

The following trims are compatible with each other
  • A200 is a fascia trim for allowing drainage into a gutter. Compatible with C1 C2 and C4 corner trims
  • B260 is a raised edge trim which prevents water runoff. Compatible with C1 C2 and C4 corner trims
  • A200 and the B260 are compatible with each other
  • A250 and B300 - A250 is a fascia trim for allowing drainage into a gutter & the B300 is a raised edge trim which prevents water... Read more