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Cladding | Weatherboards

Siding usually consists of weather-resistant material in the form of planks and accessories for quick and easy installation. The smaller dimensions of the planks would allow for expansion and contraction due to moisture and temperature changes. There are two standard methods of siding installation, the traditional overlap, and the newer and groove flush siding. Both these methods use the ventilated rainscreen principle - air can flow in at the base of the system, behind the cladding and then out, over the top siding system. This air flow behind the siding enables the system to remove moisture and to keep the walls dry, thus creating a more comfortable living environment.

Advantages

  • Lightweight, quick and easy to install
  • Cost effective
  • Easy to maintain and repair
  • Has attractive aesthetic qualities
  • Can have timber like surface finish
  • Protects from effects of sun, rain and snow
  • Has very good acoustic properties
  • A sustainable material

  

Types of weatherboarding

  • Overlap method,
  • Flush tongue and groove method

Overlap Method

         


The weatherboard planks are laid horizontally across the wall on vertical battens, starting from the bottom, and building up, the board below overlapped by the board above it at least by about 30mm. It is preferable that weatherboarding planks are installed horizontally, as rain can flow down the front face of one plank onto the one beneath. If the planks are installed vertically, you might come across a problem of water flowing down through joints. Also, you have to ensure that the plank overlaps be arranged away from the prevailing wind.

Installation

  • Fix a damp proof membrane fitted between the battens and the building structure.
  • Fix vertical timber battens at 600mm centres.
  • Ensure a gap of at least 30 mm behind the boards to allow air circulation and prevent moisture build-up.
  • Install the starter trim on level.
  • Install the first board on the starter trim.
  • The planks should be screwed or nailed flush at every batten, so that it doesn't interfere with the next board. Stainless fixings are advisable for best durability.
  • A cover strip or drip trim should be fixed at the top to prevent moisture from entering the cavity.
  • Use relevant trims at corners, window and door reveals and open ends.


Flush tongue and groove method

              

The weatherboard planks are fixed on top of each other, the tongue pushed into the groove. This gives a flush effect. Water would flow down much faster, without stopping at the joints. They can be fixed horizontally and vertically, but the preferable choice is the horizontal installation. 

Installation

  • Fix a damp proof membrane fitted between the battens and the building structure.
  • Fix vertical timber battens at 600mm centres.
  • Ensure a gap of at least 30 mm behind the boards to allow air circulation and prevent moisture build-up.
  • Ensure a 10mm opening at the base, head and at the window,door and cills.
  • Install the starter trim on level.
  • Install the first board on the starter trim.
  • The planks should be screwed or nailed flush at every batten, so that it doesn't interfere with the next board. Stainless fixings are advisable for best durability. Use appropriate countersunk head screws.
  • A cover strip or drip trim should be fixed at the top to prevent moisture from entering the cavity.
  • Use relevant trims at corners, window and door reveals and open ends.


CHOOSE MANUFACTURERS

Brand: Etex Exteriors Model and Size: Asymmetric Corner - 3m
Delivery Time: 1 - 2 days
Asymmetric Aluminium Corner Profile for Cedral Lap is an universal aluminium trim that can be used to provide protection on external corners on windows reveals for Cedral Lap weatherboard systems. Available at 3m lengths. Colour match to Cedral Lap plank available.      &nbs..
£31.64
£37.97 inc VAT
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Brand: Etex Exteriors Model and Size: 45mm - 3m
Delivery Time: 1 - 2 days
Aluminium End Profile for Cedral Lap is an universal aluminium trim end 45mm that can be used vertically at the end of a cladding run to butt the boards against, protecting the weatherboard and giving a straight edge framing to clad area. Available at 3m lengths. Colour match to Cedral Lap plan..
£25.63
£30.76 inc VAT
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Brand: Etex Exteriors Model and Size: Internal Corner - 3m
Delivery Time: 1 - 2 days
Internal Aluminium Corner Profile for Cedral Lap is an universal aluminium trim that can be used to finish the corner where Cedral Plank meets an internal corner forming a seal between the trim and the corner. Available at 3m lengths. Colour match to Cedral Lap plank available.   ..
£27.88
£33.46 inc VAT
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Brand: Etex Exteriors Model and Size: Symmetric Corner - 3m
Delivery Time: 1 - 2 days
Symmetric Aluminium Corner Profile for Cedral Lap is an universal aluminium trim that can be used to provide protection on external corners and for stop profile applications for Cedral Lap weatherboard systems. It is used on vertical corners where lapped boards are being installed on either sid..
£36.22
£43.46 inc VAT
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Brand: Etex Exteriors Model and Size: 100nos
Delivery Time: 1 - 2 days
Stainless Steel Colour Matched screws for Cedral, an accessory recommended for all visible fixings, Cedral Lap boards to battens and Cedral Clips to battens. Supplied in a box of 100 nos. The screws are made from Stainless Steel grade: A2. With a high hardness level and consistent dimensional stabil..
£56.77
£68.12 inc VAT
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Brand: Etex Exteriors Model and Size: 190x3600 - 0.68m2
Delivery Time: 5 - 7 days
Cedral Lap Woodstain Finish is an attractive, fibre cement cladding board which is an ideal low maintenance, rot free alternative to all types of traditional cladding, but with woodstain finish of natural timber. Cedral Lap is fitted in traditional lapped style. These boards are installed to th..
£30.47
£36.56 inc VAT
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Brand: Rockwool Model and Size: 1200x600mm - 69.12m2
Delivery Time: 1 - 5 working days
50mm Rockwool Rainscreen Duo Slab is a dual-density rigid insulation for use in ventilated cladding systems and sealed systems such as curtain walling. The outer layer of each slab has a higher density than the remainder of the product and added with a water-repellent agent during manufact..
£1,204.05
£1,444.86 inc VAT
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Brand: Rockwool Model and Size: 1200mm x 600mm - 4.80m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock F Plus Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during wor..
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Brand: Rockwool Model and Size: 1000mm x 600mm - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock F Super Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during wo..
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Brand: Rockwool Model and Size: 1000mm x 600mm - 2.40m2
Delivery Time: 1 - 2 weeks
50mm Rockwool Ventirock Super Rainscreen Slab is a dual-density rigid insulation, used where façade safety is important. As it has a higher density, it can be used for walls with increased fire requirements. Thanks to high resistance to water absorption, the problems of wetting during work..
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Brand: Rockwool Model and Size: 1200mm x 600mm - 46.08m2
Delivery Time: 7 - 10 days
80mm Rockwool NyRock 032 Rainscreen Slab is a stone wool insulation product specifically designed for use within ventilated cladding systems and sealed systems like curtain walling. It’s manufactured using patented technology, resulting in an improved thermal performance compared to traditional ston..
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Brand: Etex Exteriors Model and Size: Cedral Click - 3m
Delivery Time: 1 - 2 days
Aluminium Starter Profile is an accessory for Cedral Click weatherboard cladding for vertical installation of Cedral Click Boards. This starter profile is used at base of the external wall. It has to be installed absolutely level to ensure installation of Cedral Click panels remains perfectly vertic..
£21.19
£25.43 inc VAT
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Brand: Etex Exteriors Model and Size: Window Lintel - 3m
Delivery Time: 1 - 2 days
Aluminium Window Lintel Profile for Cedral Click is an universal aluminium trim that is used horizontally above window and door heads to protect the edge of the board and to hide the tongue and grove detail, and also to support the next course of Cedral Click plank. Available at 3m lengths. Col..
£26.72
£32.06 inc VAT
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Brand: Etex Exteriors Model and Size: 50nos - Free delivery
Delivery Time: 1 - 2 days
Stainless Steel Clips and Screws for Cedral Click is an accessory for fixing Cedral Click flush fitting, fibre cement, tongue and groove planks. Supplied with screws in a box of 50 nos. The clips and the screws are made from Stainless Steel grade: A2. With a high hardness level and consist..
£35.93
£43.12 inc VAT
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Weatherboard Touch Up Paint for Cedral - 500ml - Colours to match
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Brand: Etex Exteriors Model and Size: 500ml
Delivery Time: In Stock 1-2 working days
500ml Touch Up Paint to repair Cedral weatherboards, where there is damage to paint or on cut edges. Available in colours to match Cedral weatherboards. Maintains an aesthetically-pleasing finish where weatherboards are damaged, or cut.            ..
Guide Price: £29.05
£34.86 inc VAT
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Brand: James Hardie Model and Size: 25mm - 3m
Delivery Time: 3 - 7 days
25mm Hardie Plank Aluminium Starter Profile with Ventilation ensures the proper start of the installation of Hardie Plank composite siding. It is designed to provide the correct starting angle for the first cladding siding. This 25mm starter profile is manufactured to suit 25mm battens. There shoul..
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Brand: James Hardie Model and Size: 60mm - 25m
Delivery Time: 3 - 7 days
60mm Hardie EPDM Tape is used to protect wooden battens from the elements and ensures clean joints. It is important to cover the vertical joints between planks along with trims, windows and doors. Colour black, Roll length 25m. ..
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6mm Ramco HiCem - Multipurpose Fibre Cement Board - 1220mm x 2440mm
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Brand: Ramco Industries Limited Model and Size: 2440x1220mm - 2.98m2
Delivery Time: 3 - 5 days
6mm Ramco HiCem is a high performance multipurpose fibre cement building board used internally and externally and also on floors and under the soffits. This rigid fibre cement board has high flexural strength, impact strength and durability. Ramco HiCem is non-combustible, water resistant and a..
Guide Price: £23.26
£27.91 inc VAT
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Brand: RCM Model and Size: 7.5mm x 190mm x 3660mm
Delivery Time: 1-3 working days
Supertech Weatherboard is a cutting-edge, fully ventilated rainscreen cladding system that seamlessly combines aesthetic appeal with high-performance functionality. Made from reinforced cellulose fibre cement, this innovative cladding solution is lightweight, rot-free, and requires minimal maintenan..
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Brand: James Hardie Model and Size: 90mm x 3655mm x 25mm
Delivery Time: 3 - 7 days
Hardie Trim NT3 - Fibre Cement Profile - 90mm  x 3655mm x 25mm is high quality low maintenance fibre cement trim profile that brings definition and depth to the lines and edges of the façade, tough enough to withstand the elements.Available Colours: Arctic White, Midnight Black & Sail Cloth..
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Brand: James Hardie Model and Size: 160mm
Delivery Time: 3 - 7 days
Hardie Blade 160mm is used for cutting fibre cement Hardie planks. The diamond tipped edges reduce dust and prevent blade wear...
Brand: James Hardie Model and Size: Gecko Tool
Delivery Time: 3 - 7 days
Hardie Gecko Gauge is the Hardie Plank Fitting Tool that is like an extra set of hands for fast, accurate Hardie Plank cladding installation, which practically eliminates layout time. For 8mm thick fibre cement cladding products. Preset to the standard reveal of 150mm for 180mm wide Hardie Plan..
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Brand: James Hardie Model and Size: Hardie Guillotine
Delivery Time: 3 - 7 days
Hardie Guillotine is a custom-designed manual tool that cuts Hardie Plank Cladding quickly and accurately, with no breaking or chipping...
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Brand: James Hardie Model and Size: 3m
Delivery Time: 3 - 7 days
Hardie Plank - Aluminium External Corner Profile is with a two layer polyester paint precoated at manufacture. Available in 21 colours. It comes with a removeable film for protection during installation. 3m length. Available Colour Palette:APPLICATIONAs an external corner profile for Hardi..
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Brand: James Hardie Model and Size: 3m
Delivery Time: 3 - 7 days
Hardie Plank - Aluminium Internal Corner Profile is with a two layer polyester paint precoated at manufacture. Available in 21 colours. It comes with a removeable film for protection during installation. 3m length. Available Colour Palette:APPLICATIONAs an external corner profile for Hardi..
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Brand: James Hardie Model and Size: 180mm x 3600mm- 0.65m2
Delivery Time: 3 - 7 days
Hardie Plank - Fibre Cement Cladding - Cedar Texture is a versatile, low maintenance fibre cement weatherboard with a natural beautiful texture to protect your home. This weatherboard is made from a cellulose-fibre and cement composite and offers the ultimate in fire, moisture, rot and pest resistan..
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Brand: James Hardie Model and Size: 180mm x 3600mm- 0.65m2
Delivery Time: 3 - 7 days
Hardie Plank - Fibre Cement Cladding- Smooth Texture is a versatile, low maintenance fibre cement weatherboard with a natural beautiful texture to protect your home. This weatherboard is made from a cellulose-fibre and cement composite and offers the ultimate in fire, moisture, rot and pest resistan..
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Brand: James Hardie Model and Size: IL
Delivery Time: 3 - 7 days
1 Litre Hardie Seal - Edge Coating Paint used to paint cut ends of the Hardie Plank and cover small scratches, chips or damage marksNote: this paint is matched as closely as possible to the factory finish. The colours will never match precisely because the factory applied paint is baked under m..
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Brand: James Hardie Model and Size: 214mm x 3600mm- 0.77m2
Delivery Time: 2 - 4 days
Hardie VL Plank - Fibre Cement Cladding is a versatile, low maintenance fibre cement weatherboard with a natural beautiful texture to protect your home. It has a special locking system. This weatherboard is made from a cellulose-fibre and cement composite and offers the ultimate in fire, moisture, r..
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Brand: RCM Model and Size: 3m length
Delivery Time: 1-3 working days
Supertech Aluminium End Profile is a vital accessory designed to aid in the installation of Supertech planks for cladding projects. This profile serves to provide a neat termination of the Supertech plank at internal corners when transitioning to other finishes. Available in convenient 3-metre lengt..
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