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Siroflex Flameguard B1 Fire Retardant Expanding Foam 700ml x 12
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Siroflex Flameguard B1 Fire Retardant Expanding Foam 700ml x 12

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From £132.48 (inc. VAT)
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Siroflex Flameguard B1 Fire Retardant Expanding Foam is a one component fire retardant insulation and construction foam developed to make a fire retardant seal between masonry joints.

Excellent fire rating properties:

Joint dimensions width x depth

10mm x 100mm 80 minutes

15mm x 100mm 60 minutes

20mm x 100mm 50 minutes

30mm x 100mm 45 minutes

Fire rating specification: B1 quality fire foam tested to NEN6069:1997 (related to prEN1366 part 4).

Conforms to B1-F30 according to DIN4102-1.

Siroflex Flameguard B1 Fire Retardant Expanding Foam is ideal for sealing joints between separation walls, ceilings and floors. Joints around transits of wires and piping through walls and floors. Perimeter joints around window and door frames.



Before apply your expanding foam ensure the surface is clean and dust free. Shake filler well at least 20 times, if applicable fix applicator gun ensure threats are lined up, to regulate flow loosen valve at the back of the handle.

FILLING- Half fill cavity and lightly spray with water.

FIXING- use wedges hold frame in place until fully cured approx 24 hours.

Delivery Rates

Delivery Services

All goods are delivered on a 1-2 Working Day Service, for delivery to other locations request a quotation.


Less than £50

Over £50

UK - England and Wales £5.95 FREE
UK - Scotland exc IV, KW, PA20-78, PH4-50 £5.95 FREE

Delivery will be between the hours of 7am and 8pm; buyers using the courier service will receive a text message or email informing them of their delivery timeslot (subject to availability in their area).


Delivery can be to any address, as long the address at which your payment card is registered is also present on your order. All deliveries must be signed for, if the buyer requests the item(s) to be left in a designated safeplace Ideal Chemical Products Ltd (IdealSealants.com) will not be liable for any loss or theft of the item(s) once it has been delivered. Please make sure you keep the receipt enclosed with your goods.

All delivery timescales are subject to product and delivery slot availability. Delivery timescale can be found at the checkout. However whilst every reasonable effort shall be made to keep to any delivery date, time of delivery shall not be of the essence and Ideal Chemical Products Ltd (IdealSealants.com) shall not be liable for any losses, costs, damages or expenses incurred by the customer or any other person or company arising directly or indirectly out of any failure to meet any estimated delivery date. The risk in the goods shall pass from the company to the customer upon delivery of such goods to the customer.

Cancellation & Returns 

1.1 You may cancel your order by giving us notice of cancellation within 30 days of the date of delivery to you. Such notice may be given by phone, mail, fax or email. If you are cancelling because of any problem with the goods, please notify us of the problem at the time of cancellation.

1.2 On cancellation for whatever reason, you must return the goods to us at your cost unless we agree that you may dispose of them in which case please comply with the manufacturer’s instructions before disposing of hazardous goods. Where the goods are being returned because they are faulty*, incorrect goods or because of unsuitable substitution by us, we will meet the cost of return but we ask that you allow us to nominate the carrier. Once the product(s) have been received by us, your payment will be returned. *Goods are deemed faulty following manufacturer testing

1.3 If a decision has been made to return part of an order the buyer the refund will be calculated using the following formula:

Total Price Paid For Goods - Total Price Paid For Goods Retained By the Buyer - Advertised Price of Postage at Point of Purchase For Goods Retained By the Buyer = Refund

In a case where a buyer has been given a discount based on volume, this discount will now be null and void, and the following formula will be used to calculate the refund:

Total Price Paid For Goods - Advertised Price Paid For Goods at Point of Purchase Retained By the Buyer - Advertised Price of Postage at Point of Purchase For Goods Retained By the Buyer = Refund 

1.4 Where the sale is Business to Business we reserve the right to charge a 25% restocking fee plus the original cost of carriage.

Siroflex Flameguard B1 Fire Retardant Expanding Foam 700ml x 12
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