Blast-resistant glazing in Thetford

What is the price of blast-resistant glazing in Thetford?

Expect £450 to £1,495 plus VAT (£540 to £1,794 inc VAT) per m² for blast-resistant glazing in Thetford. The written quote names the glass makeup, the price and the lead time before you commit.

Blast-resistant glazing is laminated glass fitted in a frame and fixing system designed to stay in the opening, or fail safely, when hit by the pressure wave from an explosion. Its purpose is to stop glass becoming high-speed fragments, which cause most injuries in a blast, and it is designed from a threat assessment rather than chosen off the shelf.

What goes into blast-resistant glazing

Sealed units with a laminated inner pane
Laminated glass with thick or stiff interlayers
Manufacturer's test evidence supplied with your quote
Glazing classed to BS EN 13541 or tested to ISO 16933 and 16934
Deep-bite frames and structural silicone or mechanical retention
Anti-shatter film with edge-retention systems for existing windows

Fitting in Thetford and nearby

Surveys in Thetford (IP24) are booked around installer availability. We also cover nearby Bury St Edmunds (12 miles), Diss (15 miles) and Wymondham (19 miles).

Norfolk centres on Norwich's medieval lanes and listed shopfronts, with flint-built market towns, Georgian King's Lynn and seaside Great Yarmouth and Cromer facing the North Sea.

This glazing suits:

Offices in city centres and near potential targets
Government, council and civic buildings
Transport hubs, venues and stadium frontages
Embassies, courts and police premises

Questions we will ask at the survey

Frame and fixings

The frame must hold the glass and the fixings must hold the frame. Upgrading glass alone can move the failure to the frame.

Fragment hazard

Some designs accept that glass will break but keep it in place; others allow controlled failure into a catching system. Both aim to stop flying shards.

Building regulations and safety in England

England

Listed buildings and conservation areas

In England, listed building consent from the council may be needed to replace historic glass such as crown or cylinder glass, or to alter glazing bars, sashes and frames. Historic England publishes guidance on traditional windows. Secondary glazing and window film are often easier to agree because they can be removed later, but the council's conservation officer makes the decision.

Planning permission

Changing the glass in an existing window or shopfront does not usually need planning permission, because the building looks much the same afterwards. A new or altered shopfront, or security features added to the outside of a building, may need planning permission from the council. Bollards or barriers on the pavement need the highway authority's consent, which is normally the council.

How it works

Guide price online or by phone
Survey in Thetford
Accept the fixed quote
Fitted by glaziers working under our contract

Blast-resistant glazing in Thetford: questions

Can you survey in Thetford and nearby towns?

Yes. Surveys in Thetford, Bury St Edmunds and Diss are booked around installer availability.

Can existing windows be made blast-resistant?

They can often be improved. Anti-shatter film with an edge-retention system, laminated replacement glass in strengthened frames or internal secondary glazing can cut the flying-glass hazard, depending on the threat.

What does ER1 to ER4 mean?

They are explosion-pressure classes in BS EN 13541. Glass samples are tested in a shock tube, with higher classes meaning higher pressures. The class applies to the glass, so the frame must be designed to match.

Who decides what level of protection we need?

Your security adviser, insurer or a blast engineer, based on a threat and risk assessment. Government guidance from the National Protective Security Authority covers the approach.

Blast-resistant glazing in nearby towns

Other glazing in Thetford

Tell us about the glazing and we will come back with a guide price.