Blast-resistant glazing in Putney

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

As a guide, allow £450 to £1,495 plus VAT (£540 to £1,794 inc VAT) per m² for blast-resistant glazing in Putney, supplied and fitted. Size, glass makeup, access and frame condition move the price, which is confirmed in writing after the free survey.

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.

Options for blast-resistant glazing in Putney

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

Fitting in Putney and nearby

Putney is about 5 miles from Central London, the main centre for Greater London. We can survey and fit across the SW15 district and in nearby places such as Barnes and Fulham.

Greater London has every kind of glazing, from Georgian sashes and Victorian bays in conservation areas to high-street shopfronts, office curtain walling and new-build flats.

This glazing suits:

Government, council and civic buildings
Laboratories and industrial sites with process risks
Offices in city centres and near potential targets
Embassies, courts and police premises

Questions we will ask at the survey

Who sets the level

The design pressure comes from a threat and risk assessment by a security adviser or blast engineer, not from the glass supplier.

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.

Building regulations and safety in England

England

Fire-rated glass is different

Glass in fire doors, fire screens and protected escape routes has to be fire-rated glass tested as part of that door or screen system, under Approved Document B and the fire safety duties of the building's responsible person. Laminated and security glass are not fire-rated unless the product says so. Where a pane needs both fire and security performance, it must be a product tested for both.

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

Tell us about the glazing
Survey, measuring and frame check
Written quote naming the glass
Fitting and handover

Blast-resistant glazing in Putney: questions

Which areas near Putney do you cover?

We can arrange work in Putney and in nearby Barnes (2 miles), Fulham (2 miles) and Wimbledon (3 miles). Dates depend on installer availability.

Does blast glazing affect fire doors and fire screens?

Glass in fire-rated doors and screens must stay fire-rated glass tested in that system. Blast measures there need fire-rated products or a specialist design, never a swap to plain laminated glass.

Is blast film enough on its own?

Film helps hold glass together but works much better when the film is anchored to the frame so the whole pane cannot fly in. Plain film without retention offers less.

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.

Blast-resistant glazing in nearby towns

Other glazing in Putney

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