BS 5628-3 PDF

BS Incorporating Corrigendum No. 1. 1 31 January See Committees responsible for this British Standard The. BS Code of practice for the use of masonry – Part 3: Materials and components, design and workmanship. amendments of BS Parts 1, 2 and 3 ‘Code of Practice for Use of Masonry’. Mortar Testing. All test cubes shall be made and tested in accordance with.

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BS 5628 Part 3 Masonry

A DPC should extend through the full thickness of the wall or 568-3, and preferably project beyond the external face. Proportions should be consistent from batch to batch of mortar. BSSpecification for polyurethane PUR foam systems suitable for stabilization and thermal insulation of cavity walls with masonry or concrete inner and outer leaves. Stack lintels and copings of precast concrete and pressed metal on level bearers so that they are clear of the ground. Bolts, nuts, screws, etc. Where movement joints or edge clearances are required for walls designed to resist fire, they should be filled with a non-combustible material, such as mineral fibre, which still allows the movement joint to function.

Take precautions to prevent overturning of projecting cornice stones, which can be ba, pending the setting of the mortar, the fixing of dowels or cramps and the bedding of stabilizing courses.

The right type of mix, thickness and number of coats should be selected and the wall should be detailed correctly. NOTE 2 The soffit board should be securely fixed to the ladder bracket and should also be a close fit to the wall.

The recommendations set out in BS should be followed. However, BS and BS cover the subject matter more b and include design, materials and other related aspects in addition to workmanship on site.

BS Part 3 Masonry – Free Download PDF

Lay hollow blocks on shell bedding with the vertical joints filled. Unless satisfactory local experience exists, clay products should not be used in gs masonry or concrete products used in sandstone masonry.


528-3 material combinations should be chosen that are not vulnerable to such attack. Where quoin or reveal blocks are used, alternate short and long blocks should be used in successive courses to ensure that the bond within the wall is retained.

We are a non-profit group that run this website to share documents. Code of practice for the preservative treatment of structural timber. Code of practice for imposed roof loads. In conditions of highly mobile As for A1 in ii groundwater, consult the manufacturer on the selection of materials 5. Sound bw materials reflect most of the incident sound energy and so transmit little to an adjoining space, but they do not usually reduce reverberation.

Where the cavity is unavoidably bridged, e. Gauging volumes by the shovelful cannot be relied upon to give sufficiently accurate mix proportions, e. Alternatively, building detail should prevent the flow of water from limestone to other masonry materials. Sliding anchor restraint fittings are available see Figure 17 for a typical example.

If it is necessary to accommodate differential sliding movement between the units on either side of it, the mortar bed should be trowelled smooth, allowed to set, 5268-3 then cleaned off before the DPC is laid. It is essential that continuity of all the DPC at the corners of all openings is maintained to prevent ns penetration.

If the floor is concrete, upon a timber platform; b with different materials in separate stacks; c with bags stacked away from walls, not more than eight high, and covered with a tarpaulin or polyethylene sheet; d in an bbs so that consignments can be used in the order of delivery.

External walls of calcium silicate masonry should have a compressible joint to allow for thermal expansion at not more than 30 m intervals. The minimum thickness given is suitable for 75 mm brick-on-edge construction with a completely solid unit with plane faces. If such protective features are omitted for aesthetic or other reasons, the effects of the increased exposure of the masonry to wetting should be considered see 5.


Store factory produced ready-to-use retarded mortars in covered containers to prevent excessive drying out or wetting.

For lintels or beam bearings see 5. BSSpecification for ground granulated blastfurnace bss for use with Portland cement. BSSpecification for steel windows, sills, window boards and doors. In either case it is essential that stop ends and weepholes are used. Specification for man-made mineral fibre batts slabs.

To guard against dimensional changes occurring as a result of sulfate 6528-3, the recommendations set out in 5. NOTE 2 Ready-to-use building mortars are factory made mortars which contain cement set-retarding admixtures.

Specification for window sills of precast concrete, cast stone, clayware, slate and natural stone. When a wall is to be built to a batter or slope, the battens should be erected at the desired angle from the vertical, and measurements taken as before. BSSpecification for building limes.

BS 5628-3:2005

The recommendations given are not fully comprehensive as particular project documents, e. Sound absorbent materials are not usually good sound insulating materials. Please help us to share our service with your friends. BS permits variation in the dimensions of clay bricks. BSSills and copings — Part 2: Double triangle ties of shape similar to 562-3 of BShaving a strength that conforms to Type 2 of DDare manufactured.

It permits corrections to be made for ground terrain, topography, local shelter, and the form of the building concerned.