Flat Roof

The Flat Roof System by Ultraframe is designed for use on conservatories, orangeries or extensions and is supplied as an integrated solution with lanterns or flat skylights. Available in unlimited widths and projections of up to 5m, the system also provides solutions for free standing garden homes and compatibility with bungalows and partial walls.

The Wendland Flat Roof is strong enough to span up to 5.6m above bi-fold or sliding doors without the need for expensive and often cumbersome additional structural support, this flat roof system is the strongest flat roof system available.

The Flat Roof system is fully Building Regulation compliant with a U-Value of 0.12 and full thermal specifications are provided. 

Pre-manufactured to your exact specifications, the Flat Roof system is quick and hassle-free to build with no cutting or drilling required on-site and can be installed by trained conservatory fitters.

One roof, one order providing you with easy specification and cost certainty. Specify your roof deck, kerb and roof lights all in a single order with all structural calculations taken care of and overall U-Values also supplied for the entire roof on every order.

Flat Roof Retail Image

Technical Information

  • Precision Engineered Flat Roof System
  • Super Strong Ring Beam
  • Structural Ultrapanels combine the best of both steel and timber construction
  • Maximum Unsupported Spans
  • One roof, One order
  • 2 Soffit Options: Standard and Extended
  • Range of fascia options
Flat Roof Technical Image

Precision Engineered Flat Roof System

  1. Insulated Kerb
  2. Adjustable Pitchlock
  3. Intermediate Insulation
  4. Insulated, lightweight Ultrapanels
  5. Insulated Ring Beam
  6. Pre-cut OSB Desk
  7. Classic Fascia (choice of 4 fascia kits available)
  8. Optional extended soffit
  9. Vapour Control Layer

Super Strong Ring Beam

  1. Magnelis Steel
  2. OSB3
  3. Cavity filled with Rockwool insulation
  4. Easy drop fit male/female connection
  5. OSB3 Fillets
Super strong ring beam with numbers
Flat Roof Technical Image - Ultrapanel

Structural Ultrapanels combine the best of both steel and timber construction

  1. High performance, styropor carbon enriched expanded polysyrene (eps) bead insulation.
  2. Roll structural steel section with galvanised coating that acts like a I-Beam.
  3. Oil tempered hardboard

Maximum Unsupported Spans

The Flat Roof is strong enough to span up to 5.6m above bi-fold or sliding doors without the need for expensive and often cumbersome additional structural support.

This table shows the maximum door spans available and vary depending on your soffit and fascia choice.

To ensure your building can withstand vertical and lateral forces from extreme weather, you should always ensure there is sufficient structural support in your extension design.

Standard and Extended soffit

Soffit options

The Flat Roof can be used with any width of brick wall or frames and is available with two different soffit widths. Choose the same soffit all the way around or a combination of both.

  1. Standard soffit with an overhang of 36mm from the external face of the brick (excluding Fascia).
  2. Extended soffit with an overhang of 240mm from the external face of the brick (excluding Fascia).

Range of fascia options

Choose from a wide variety of fascia options, all available in white as standard or in any RAL colour specified (the roof can also be supplied without fascia).

All fascias are supplied complete with Marley gutter system and a round downpipe. Classic fascia kits are supplied with PVC fascia board, decorative profile and soffit board.

Cornice fascia kits are supplied with a grey gutter, aluminium cornice profile, PVC fascia board and soffit board. Soffit board can be specified in a different colour to the cornice, to create a slimmer roof look. 

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