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Tongue & Groove 5

Composite back doors often have different requirements to front doors, the Rockdoor Ultimate Tongue and Groove satisfies those requirements. However, with the right choice of door furniture, the Tongue and Groove makes for a wonderful front door.

The glazeless design of the door means it offers few opportunities to break in, and with the rear door a more appealing entry point to unwelcome visitors, Tongue and Groove composite back doors afford you an extra level of protection. This protection is enhanced by the use of multipoint hook locks which engage with full length steel keeps. Combined with the ‘Secured by Design’ lock cylinder and zinc cylinder guard; this door is anti-bump, anti-snap, anti-pick and anti-drill.

Composite Back Doors by Rockdoor

These composite back doors are easy to look after, thanks to the 3mm thick external skin. The door only requires an occasional wipe down with a damp cloth, compared to the length of time required to maintain timber doors.

Another key feature of these composite back doors is their thermal efficiency. In times of rising energy bills, heat retention is an important feature to consider when purchasing a new door. The entire Rockdoor Ultimate range can reach a DSER rating of A; the highest available. The sash thickness helps achieve this, as does the glazeless door panel. The high density PU foam core helps retain heat and keep your bills low.

Every door available from Door Supermarket site comes with a ten year guarantee, three keys and VAT included in the price. For those customers who choose our Premier Installation Service the following is included:

  • Survey and measurement visit
  • Delivery
  • Installation
  • The removal and disposal of your old door

To find out more, simply scroll down and click on a door or call us on 0800 955 8959. 

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