Heavy Duty Self-Supporting Main Bar

Heavy Duty Self-Supporting Main Bar
From £39.92 *

Prices incl. VAT (excl. delivery)



  • MOL-1709-1001
  • LSIB25
  • Parcel XL
  • Hardware > Building Materials > Roofing
Heavy Duty Self-Supporting Roof Main Glazing Bar Parts of the Heavy-Duty... more
Product information "Heavy Duty Self-Supporting Main Bar"
Heavy Duty Self-Supporting Roof Main Glazing Bar

Heavy Duty Self-Supporting Roof Main Glazing Bar

Parts of the Heavy-Duty Self-Supporting Main Bar

Parts of the Heavy-Duty Self-Supporting Main Bar

Intermediate Glazing Bar

Various lengths in White or Brown

Spans up to 4m unsupported!

Strong chambered aluminium glazing bar with attractive sculpured uPVC cappings. Can be used with polycarbonate and glass.

Part of the flexible and easy to use professionally engineered Heavy-Duty Self-Supporting Glazing System which can span 4m unsupported without cross bearers.

Features & Benefits

  • Self-Supporting - no need for timber rafters
  • Long-Life Durability - strong aluminium 'T' bar extrusion
  • Hardwearing and Low-Maintenance - PVCu Capping and Cladding
  • Excellent Weather Proofing - co-extruded gaskets
  • Polycarbonate or Glass - unlike others, this system can be used with glass
  • Choice of Thickness - locking points for 16, 25, 32 and 35mm panels
  • Cost Effective and Less Wastage - multiple bar lengths
  • Looks Good and Fits Well - Can be pitched from 5° upwards

Suitable for a variety of applications, including lean-tos, conservatory roofs, canopies and car ports.

Complete self-supporting roof system

The range includes Wall Plate for securing glazing bars to house wall, structural Eaves Beam for the low end, standard Main Bar for use as an intermediate between in-line sheets, Gable End Bar for exposed end of lean-to and Wall Bar for abutting a wall. The Wall Bar is the standard Main Bar with separate Flashing Trim.

Heavy Duty Self-Supporting Roof parts

DID YOU KNOW? This main bar could be used as a Wall Bar too, you would simply flash over it from the adjoining wall.

  • Aluminium 'T' Bar
  • PVCu Top Capping (features co-extruded rubber seals)
  • PVCu Undercladding (features co-extruded rubber seals)
  • PVCu End Cap (inc. srews and screw cap covers)


Aluminium - Glazing Bar
PVCu - Top Capping, Undercladding, End Cap
Steel - End cap screws

Bar Length 2.5m, 3m, 3.5m, 4m, 5m and 6m
Colour White or Chocolate Brown
Pitch 5° and upwards
Maximum Span 4m (see Maximum Bar Spacing table below)

Maximum Bar Spacing by Bar Length

Bar Length2.5m3m3.5m4m
Max Centres 1200mm 1050mm 700mm 600mm

The Heavy-Duty Self-Supporting Roof has been designed to simplify the fitting process.With just a few steps, your bars could be fitted and your roof complete. The following is the typical fitting procedure:

  1. Fit Wall Plate and Front Eaves Beam (if using)
  2. Cut Glazing Bars, Top Caps and Underclad to desired length
  3. Fit Underclad to Glazing Bar and screw to Wall Plate (M6 x 20mm screws)
  4. Screw low end of Glazing Bar to Eaves Beam (M6 x 35mm screws)
  5. Cut Panel Support Trim and fit between each Glazing Bar
  6. Fit Polycarbonate End Closure (20mm short on either end)
  7. Lay polycarbonate panels between Glazing Bars (3mm gap either side)
  8. Tap the Top Capping down into position (use nylon hammer, wooden mallet, or protect the capping)
  9. Fit End Cap to each Glazing Bar
  10. Fit the Wall Plate End Covers and Eaves Beam End Covers
Roof Structure: Self-Supporting
Range: Heavy Duty Self-Supporting
Base Material: Aluminium
Capping Material: uPVC
Glazing Compatibility: Glass (Double-Glazed), Polycarbonate (Multiwall)
Glazing Thickness: 16mm, 24/25mm, 35mm
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