Pressure Pointing

Pressure pointing and grouting are used in combination or isolation as means to repair and strengthen masonry structures including arched bridges, retaining walls, dams and culverts.

Pressure pointing work can use hand held barrel guns, or for more intensive applications, mechanical mortar pumps delivering lime or cement based material through a hose to the point of placement.

Pressure pointing can be effective on open joints up to 200 mm deep, but in such circumstances the combination of pressure pointing to a lesser depth coupled with low pressure grout injection can be more economic.

Such work often calls for preliminary cleaning of masonry surfaces using high pressure water jetting equipment, and removal of decayed mortar using a variety of hand and mechanical methods.

PRESSURE POINTING CASE HISTORIES

Pressure Pointing and Grouting of Riverside Drystone Retaining Walls

As part of a wide range of measures to reduce the effects of flooding through the centre of Skipton, GallifordTry tasked Ram Services to use pressure pointing and grouting techniques to  seal and strengthen a section of drystone retaining wall ...
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Masonry Repairs: Chew Impounding Reservoir

As part of ongoing assessment and maintenance of all United Utilities Water’s impounding reservoir spillway structures, Ram Services Limited were asked to formulate proposals for refurbishment of the existing masonry spillway at Chew IR, the highest impounding reservoir in England, ...
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Concrete and Masonry Repairs: Horse Coppice Impounding Reservoir

As part of ongoing assessment and maintenance of all United Utilities Water’s impounding reservoir spillway structures, Ram Services Limited were asked to formulate proposals for refurbishment of the existing masonry spillway at Horse Coppice IR, close to Disley, south east ...
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Masonry Repairs: Impounding Reservoir Weir & Spillway Refurb

Routine reservoir inspections raised concern regarding the possibility of water penetration through the overflow weir structure at Cantref reservoir. This, coupled with further concerns over open joints in the walls and floor of the spillway below the weir, was such ...
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Masonry Repairs: River Irwell Culvert, Bacup

In this culvert, Ram Services Limited’s confined space trained labour force worked over an extended period of time to strengthen and stabilise the aged masonry arched culvert roof over the River Irwell in Bacup. Constructed in stages over the years, ...
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Pressure Pointing: St Michael’s Church Retaining Wall, Burnley Road East

Following un-economic attempts to re-point a large Rossendale retaining wall using conventional hand pointing techniques, Lancashire County Council asked Ram Services to give advice on options for mechanical re-pointing. Scheme: St Michael’s Church Retaining Wall, Burnley Road East Problem: Degradation of ...
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Masonry Repairs: Impounding Reservoir Spillway Refurbishment

As part of ongoing assessment and maintenance of all United Utilities Water’s impounding reservoir spillway structures, Ram Services Limited were asked to formulate proposals for refurbishment of the existing masonry spillway at Bottoms IR, close to Macclesfield. Scheme: Bottoms (Macclesfield ...
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