Cladding and Weatherboards

Wall cladding and weatherboards (siding) are the first line of defence of the external walls of a building. It protects the building from effects of sun, rain and snow and also from heat and cold. Even though masonry walls do not usually need siding, siding can added to any wall. Cladding can enhance the look of the building. All framed walls are sided externally. 

Weatherboarding is a form of external cladding. Traditionally, timber weatherboards were used, but today you can choose uPVC and fibre cement planks with the visual appeal of natural timber. They are available as the traditional overlap or as flush cladding, depending on the finish you desire.


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.




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10mm Cedral Lap Fibre Cement Cladding Board - Standard Painted - Various Colours

10mm Cedral Lap Fibre Cement Cladding Board - Standard Painted - Various Colours

190x3600 - 0.68m2  show quantity discountsDelivery Time: 5 - 7 days

Guide Price: £14.81 (£17.77 inc VAT)

£21.78/m2 (£26.14/m2 inc VAT)

show quantity discounts

Cedral Lap is an attractive, fibre cement cladding board which is an ideal low maintenance, rot free alternative to all types of traditional cladding, but with the visual appeal of natural timber. Cedral Lap is fitted in traditional lapped style. These boards are installed to the ventilated rainscre..

Guide Price: £14.81 (£17.77 inc VAT)

£21.78/m2 (£26.14/m2 inc VAT)

show quantity discounts
= m2
12mm Cedral Click Fibre Cement Tongue and Groove Cladding Board - Various Colours

12mm Cedral Click Fibre Cement Tongue and Groove Cladding Board - Various Colours

186x3600 - 0.67m2  show quantity discountsDelivery Time: 5 - 7 days

Guide Price: £21.54 (£25.85 inc VAT)

£32.15/m2 (£38.58/m2 inc VAT)

show quantity discounts

Cedral Click is a flush fitting, fibre cement, tongue and groove cladding board that is an ideal low maintenance, rot free alternative to traditional timber cladding, but with the visual appeal of natural timber. Its Click Clip System makes installation quick and easy. Cedral Click is installed to t..

Guide Price: £21.54 (£25.85 inc VAT)

£32.15/m2 (£38.58/m2 inc VAT)

show quantity discounts
= m2
40mm Cedral Aluminium Perforated Closure - 2.5m length

40mm Cedral Aluminium Perforated Closure - 2.5m length

40mm - 2.5m  Delivery Time: 5 - 7 days

Guide Price: £9.31 (£11.17 inc VAT)

40mm Cedral Aluminium Perforated Closures is an accessory for fixing Cedral weatherboard cladding installation. Available at 2.5m lengths.        ..

Guide Price: £9.31 (£11.17 inc VAT)

other thicknesses
Cedral Aluminium Connection Profile - 3m length

Cedral Aluminium Connection Profile - 3m length

Connection Profile - 3m  Delivery Time: 1 - 2 days

Guide Price: £17.83 (£21.40 inc VAT)

Cedral Connection Profile is an universal aluminium trim used to wrap around the edge of the weatherboard on a window or door reveal or along the soffit line. Available at 3m lengths. Colour match to Cedral plank available.                 ..

Guide Price: £17.83 (£21.40 inc VAT)

Cedral Click Aluminium Starter Profile - 3m length

Cedral Click Aluminium Starter Profile - 3m length

Cedral Click - 3m  Delivery Time: 1 - 2 days

Guide Price: £30.08 (£36.10 inc VAT)

Cedral Click Aluminium Starter Profile is an accessory for fixing Cedral Click weatherboard cladding installation. 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 parallel. Available at..

Guide Price: £30.08 (£36.10 inc VAT)

Cedral Click Internal Aluminium Corner Profile - 3m length

Cedral Click Internal Aluminium Corner Profile - 3m length

Cedral Click - 3m  Delivery Time: 1 - 2 days

Guide Price: £19.44 (£23.33 inc VAT)

Cedral Click Internal Corner 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 Click plank available.        &n..

Guide Price: £19.44 (£23.33 inc VAT)

Cedral Click Symmetric Aluminium Corner Profile - 3m length

Cedral Click Symmetric Aluminium Corner Profile - 3m length

Cedral Click Corner - 3m  Delivery Time: 1 - 2 days

Guide Price: £22.89 (£27.47 inc VAT)

Cedral Click Symmetric Corner is an universal aluminium trim that can be used to provide protection on external corners and or where detailing on a window reveal for Cedral Click weatherboard systems. It is used on vertical corners where lapped boards are being installed on either side of the corner..

Guide Price: £22.89 (£27.47 inc VAT)

Cedral Lap Aluminium Starter Profile - 3m length

Cedral Lap Aluminium Starter Profile - 3m length

Cedral Lap - 3m  Delivery Time: 1 - 2 days

Guide Price: £18.76 (£22.51 inc VAT)

Cedral Lap Aluminium Starter Profile is an accessory for fixing Cedral Lap weatherboard cladding installation. Starter profile would cover the first batten with a lip and is used to start a cladding run. Available at 3m lengths. Colour match to Cedral Lap plank available.      &n..

Guide Price: £18.76 (£22.51 inc VAT)

Cedral Lap Asymmetric Aluminium Corner Profile - 3m length

Cedral Lap Asymmetric Aluminium Corner Profile - 3m length

Asymmetric Corner - 3m  Delivery Time: 1 - 2 days

Guide Price: £27.13 (£32.56 inc VAT)

Cedral Lap Asymmetric Corner 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.           &..

Guide Price: £27.13 (£32.56 inc VAT)

Cedral Lap Aluminium End Profile - 3m length

Cedral Lap Aluminium End Profile - 3m length

End Profile - 3m  Delivery Time: 1 - 2 days

Guide Price: £20.88 (£25.06 inc VAT)

Cedral Lap End Profile is an universal aluminium trim 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 plank available.   &nb..

Guide Price: £20.88 (£25.06 inc VAT)

Cedral Lap Internal Aluminium Corner Profile - 3m length

Cedral Lap Internal Aluminium Corner Profile - 3m length

Internal Corner - 3m  Delivery Time: 1 - 2 days

Guide Price: £23.90 (£28.68 inc VAT)

Cedral Lap Internal Corner 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.         ..

Guide Price: £23.90 (£28.68 inc VAT)

Cedral Lap Symmetric Aluminium Corner Profile - 3m length

Cedral Lap Symmetric Aluminium Corner Profile - 3m length

Symmetric Corner - 3m  Delivery Time: 1 - 2 days

Guide Price: £31.06 (£37.27 inc VAT)

Cedral Lap Symmetric Corner 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 side of the corner. Available ..

Guide Price: £31.06 (£37.27 inc VAT)

Cedral Click Clips and Screws - box of 250

Cedral Click Clips and Screws - box of 250

250nos  Delivery Time: 1 - 2 days

Guide Price: £83.89 (£100.67 inc VAT)

Cedral Click Clip is an accessory for fixing Cedral Click flush fitting, fibre cement, tongue and groove planks. Supplied with screws in a box of 250 nos.  ..

Guide Price: £83.89 (£100.67 inc VAT)

Cedral Screws box of 100

Cedral Screws box of 100

100nos  Delivery Time: 1 - 2 days

Guide Price: £42.75 (£51.30 inc VAT)

Stainless Steel Cedral screws for fixing Cedral Click flush fitting, fibre cement, tongue and groove planks. Supplied in a box of 100 nos.  ..

Guide Price: £42.75 (£51.30 inc VAT)

10mm Cedral Lap Fibre Cement Cladding Board - Unpainted

10mm Cedral Lap Fibre Cement Cladding Board - Unpainted

190x3600 - 0.68m2  show quantity discountsDelivery Time: 5 - 7 days

Guide Price: £15.27 (£18.32 inc VAT)

£22.46/m2 (£26.95/m2 inc VAT)

show quantity discounts

Cedral Lap is an attractive, fibre cement cladding board which is an ideal low maintenance, rot free alternative to all types of traditional cladding, with the feel natural timber. Cedral Lap is fitted in traditional lapped style. These boards are installed to the ventilated rainscreen principl..

Guide Price: £15.27 (£18.32 inc VAT)

£22.46/m2 (£26.95/m2 inc VAT)

show quantity discounts
= m2
10mm Cedral Lap Fibre Cement Cladding Board - Woodstain Finishes

10mm Cedral Lap Fibre Cement Cladding Board - Woodstain Finishes

190x3600 - 0.68m2  show quantity discountsDelivery Time: 5 - 7 days

Guide Price: £22.23 (£26.68 inc VAT)

£32.69/m2 (£39.23/m2 inc VAT)

show quantity discounts

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..

Guide Price: £22.23 (£26.68 inc VAT)

£32.69/m2 (£39.23/m2 inc VAT)

show quantity discounts
= m2
Cedral Click Aluminium Window Lintel Profile - 3m length

Cedral Click Aluminium Window Lintel Profile - 3m length

Window Lintel - 3m  Delivery Time: 1 - 2 days

Guide Price: £22.96 (£27.55 inc VAT)

Cedral Click Window Lintel 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. Colour match to Cedral Cl..

Guide Price: £22.96 (£27.55 inc VAT)

Cedral Weatherboard Touch Up Paint - 500ml - Colours to match

Cedral Weatherboard Touch Up Paint - 500ml - Colours to match

500ml  Delivery Time: 5 - 7 days

Guide Price: £22.90 (£27.48 inc VAT)

500ml Cedral 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: £22.90 (£27.48 inc VAT)

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