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Fixing

General:

CONCRETE PANTILE

All tiles at perimeters and each tile in every alternate course to be nailed or clipped (nails and clips supplied by Condron Concrete Works). In the case of roof pitches over 45 degrees, and on exposed roofs, each tile to be nailed and clipped. For roof pitches below 25 degrees, all tiles must be clipped. For roof pitches below 25 degrees and on exposed sites, consideration should be given to the design of the roof, and designers and users should contact our technical sales office for advice.

THE SENIOR SLATE

Concrete slate tiles are laid broken jointed, and all tiles at perimeters and each tile in every alternate course should be nailed or clipped. In the case of roof pitches over 45 degrees, and on exposed roofs, each slate to be nailed twice and clipped. For roof pitches below 25 degrees and on exposed sites, consideration should be given to the design of the roof, and designers and users should contact our technical sales office for advice.

THE CONDRON SLATE

Concrete slate tiles are laid broken jointed, and all tiles at perimeters and each tile in every alternate course should be nailed or clipped. In the case of roof pitches over 45 degrees, and on exposed roofs, each slate to be nailed twice and clipped. For roof pitches below 25 degrees and on exposed sites, consideration should be given to the design of the roof, and designers and users should contact our technical sales office for advice. The Condron Slate should be treated with the same regard as a natural slate, and roof ladders should be used when fitting of maintenance is required.

CONCRETE PLAIN TILE / CLADDING TILE

All perimeter tiles, to a minimum of 600mm wide / deep on rafter pitch below 45 degrees to be fixed with 1 No. 40mm 9 gauge aluminium nail per tile, and every tile in every fifth row to be fixed with 1 No. 40mm 9 gauge aluminium nail per tile. For rafter pitches of 45 degrees and over and on exposed roofs, every tile in every course to be fixed with 1 No. 40mm aluminium nail per tile.

CONCRETE SLATE TILE & “BULLNOSE” SLATE TILE

Concrete slate tiles are laid broken jointed, and all tiles at perimeters and each tile in every alternate course should be nailed or clipped. In the case of roof pitches of 45 degrees or above, and on exposed roofs, each tile to be nailed and clipped. For roof pitches below 25 degrees, all tiles to be clipped. For roof pitches below 25 degrees and on exposed sites, consideration should be given to the design of the roof, and designers, and users, should contact our technical sales office for advice.

CONCRETE ‘M’ PROFILE TILE.

Concrete M-Profile tiles are laid broken jointed, and all tiles at perimeters and each tile in every alternate course should be nailed or clipped. In the case of roof pitches of 45 degrees or above, and on exposed roofs, each tile to be nailed and clipped. For roof pitches below 25 degrees, all tiles to be clipped. For roof pitches below 25 degrees and on exposed sites, consideration should be given to the design of the roof, and designers, and users, should contact our technical sales office for advice.

CONCRETE 3 IN 1 TILE / CLADDING TILE

All perimeter tiles at rafter pitches to 45 degrees, to be fixed with 2 No. 40mm 9 gauge aluminium nails, (1 No. nail at each other edge per tile) and at least every tile in every fifth course to be nailed with 2 No. 40mm 9 gauge aluminium nails (1 No. nail at each other edge per tile). For rafter pitches of 45 degrees and above and on exposed roofs, every tile in every course to be fixed with 2 No. 40mm aluminium nails (1 No. nail at each other edge of tile).

Verge

CONCRETE PANTILE

(a) The dry verge to be fitted with Condron Concrete Half Cloak Concrete Verge Tile. (If required a Half Pantile is available.) (b) P.V.C. dry verge to be fixed as per manufacturer’s instructions. (c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.

THE SENIOR SLATE

(a) The dry verge to be fitted with Condron Concrete Half Cloak Concrete Verge Tile. (b) P.V.C. dry verge to be fixed as per manufacturer’s instructions. (c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.
Condron JP Verge Piece.

THE CONDRON SLATE

(a) The dry verge 3m section with the clover piece to be fitted (b) P.V.C. dry verge to be fixed as per manufacturer’s instructions. (c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.

CONCRETE PLAIN TILE/ CLADDING TILE

(a) All verges to be laid broken-bonded, with full tiles and tile-and-a-half in alternate courses. (b) The dry verge to be fitted in accordance with the manufacturer’s instruction. (c) The verges are formed with 150mm wide fibre cement undercloak, bedded in mortar (pigments if required, supplied by Condron Concrete Works) to project 38mm to 50mm over gable wall or barge board.

CONCRETE SLATE TILE & “BULLNOSE” SLATE TILE

(a) The dry verge to be fitted with Condron Concrete Half Cloak Concrete Verge Tile. (b) P.V.C. dry verge to be fixed as per manufacturer’s instructions. (c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.

(c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.

CONCRETE `M’ PROFILE TILE

(a) The dry verge 3m section with the clover piece to be fitted (b) P.V.C. dry verge to be fixed as per manufacturer’s instructions. (c) The verges are formed with 150mm wide fibre cement strip undercloak, bedded in coloured mortar (pigments supplied by Condron Concrete Works) and to project 38mm to 50mm over gable wall or barge board.

CONCRETE 3 IN 1 TILE / CLADDING TILE

(a) All verges to be laid broken – bonded with full tiles and tile -and- a half in alternate courses. (b) The dry verge to be fixed in accordance with manufacturer’s instruction. (c) The verges are formed with 150mm wide fibre cement slate undercloak, bedded in mortar (pigments if required, supplied by Condron Concrete Works) to project 38mm to 50mm over gable wall or barge board.

Eaves

CONCRETE PANTILE / SLATE TILE / “BULLNOSE” SLATE TILE / THE SENIOR SLATE / THE CONDRON SLATE /CONCRETE `M’ PROFILE.

The eaves are formed with standard tiles. The first course of tiles is laid over the fascia board to the centre line of gutter, and this eave course must be laid at the same pitch as the rest of the roof. The design of a bellcast or sprocket at the eave is not recommended in single lap tiles.

CONCRETE 3 IN 1 TILE/ CLADDING TILE / PLAIN TILE

At the eaves, use double course throughout using 200mm Eave / Top Tile for the undercourse to give the same overhang as the last main tile. Bellcasts at eaves can be used in 3 in 1 / Plain Tiles and designers and users should contact our technical sales office for advice.

Top Edge

CONCRETE PLAIN TILE / 3 IN 1 TILE.

At the top edge, the Eave / Top Tile should be fixed on the top course by nailing to the top batten.

Applies To All Roof Tiles

FELT:

Felt to comply with I.S.36: 1972 and should be laid over rafters, lapped 150mm horizontal and 300mm vertical. The felt should be fixed with clout nails, allow drainage of water and should extend into the gutters. Water traps behind the fascia must be avoided, and a continuous fillet should be fitted to support the felt. (Two courses of felt at eaves is recommended) Care should be taken to prevent damaging the felt, and any damage done must be repaired before fixing the tiles. It is recommended that at pitches below 25 degrees and on exposed roofs, high performance felt should be considered, and designers and users

DRY RIDGE:

The ridge to be covered with Condrons Half Round Ridge, Universal Angle Ridge, or High Pitch Angle Ridge, similar colour and texture to the roof tiles. All Ridge Tiles should be mechanically fixed in accordance with the manufacturer’s instructions.

DRY HIP:

The hip to be covered with Condrons Half Round Ridge, Universal Angle Ridge, High Pitch Angle Ridge and Bonnet Hip in matching colours. All Hip Tiles should be fixed in accordance with the manufacturer’s instructions.

GRP VALLEY:

Valley board should be fitted flush with valley rafters for best practice. GRP Valley to be fitted in accordance with the manufacturer’s instructions.

ABUTMENTS:

The tiles must be cut closely at the abutments, with a cover flashing dressed well down onto the adjacent tiles. Special attention should be given to detailing of flashings, and underlay felt, at abutments, chimneys, roof lights, valleys etc.

RIDGE:

The ridge to be covered with Condrons Half Round Ridge, Universal Angle Ridge, or High Pitch Angle Ridge, similar colour and texture to the roof tiles, edge bedded on the tiles, with solid bedding at butt joints. All mortar bedded ridge tiles must be mechanically fixed.
(Appropriate measures should be taken to achieve a proper bond).

HIPS:

The hips to be covered with Condrons Half Round Ridge, Universal Angle Ridge, High Pitch Angle Ridge and Bonnet Hip in matching colours. All Hip Tiles should be edge bedded onto the tiles, with solid bedding at butt joints.

VALLEY:

Valley board should be fitted flush with valley rafters for best practice. Valley to be fitted in accordance with the manufacturer’s instructions.

DRY VALLEY:

Valley board should be fitted flush with valley rafters for best practice. Dry Valley to be fitted in accordance with the manufacturer’s instructions.

VENTILATION:

Roof space should be properly ventilated, as roofs not properly ventilated can result in condensation or efflorescence. Ref: I.C.P2 and B.S.5534 and any new Irish Code of Practices in the future.

NOTE: All vents are supplied with an underlay protector, which must be inserted above any opening in the underlay and will protect the underlay from water ingress into the roof void

NOTE:

NOTE: Reference should be made to ICP2 Slating and Tiling 2016, BS 5534:2014+A1:2015 and any new code of practices in the future. Condron Concrete Roof Tiles are manufactured in compliance with E.N. 490: 2005 Concrete Roofing Tiles & Fittings.

ACCESSORIES AVAILABLE:

Soil pipe ventilators, Tile vents, Roof lights, Eave fillers, Dry verge, Clips, Nails, Ventilated ridge, Rectangle soffit vent, Strip vent, Roof space vent, Over fascia vent, Roof tile paint, Coloured pigments.

CLIMATIC CONDITIONS:

The colour of the roof tiles will weather over a period of time due to exposure, site location and weather conditions. The degree and pace of change is dependent upon weather conditions, pitch and site location.

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