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Tuesday, February 4, 2020 | History

4 edition of Resisting rain penetration with facing brickwork found in the catalog.

Resisting rain penetration with facing brickwork

Michael Hammett

Resisting rain penetration with facing brickwork

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  • 30 Currently reading

Published by Brick Development Association in [Winkfield, Windsor] .
Written in English


Edition Notes

Cover title.

StatementMichael Hammett.
SeriesDesign note -- 16
ContributionsBrick Development Association.
The Physical Object
Pagination23p. :
Number of Pages23
ID Numbers
Open LibraryOL15619663M
ISBN 100900191058
OCLC/WorldCa278425398

Water that reaches the sheathing or enters the stud-space can initiate decay and corrosion of structural members. Improvement of Bond Since the bond between brick and mortar is so important to the "tightness" of the wall, everything possible should be done in the construction of brickwork to obtain an intimate contact between brick and mortar, with no unbonded areas at the interface. The use of bricks of high suction rate can result in excessively fast removal of water from the mortar bed. C tray above openings. This helps retain character and can have other advantages. Although often left roughened, it can be compacted for better water-resistance.

Once Stormdry has fully cured, the only difference between a treated and an untreated wall is that the Stormdry treated wall is water resistant. Spray-on foams for the underside of roofs should not be used to secure slipping tiles or slates, nor should external bitumen coatings. The most effective sealant is mortar and DPC should be detailed as a sandwich between wet mortar as shown in the details below. The end of the brick to be laid is buttered with mortar and then shoved against the preceding brick, squeezing the mortar to a width of 10mm. Many other particular adjustments of course alignment exist in monk bond, generating a variety of visual effects which differ in detail, but often having the effect of directing a viewing eye diagonally down the wall. These lines are often rough and wavy, simulating the generally straight yet slightly irregular appearance of a grapevine.

The principle of operation of a cavity wall is that in a storm rain may penetrate the outer part of the wall but it will then flow down its inside face without being able to cross the cavity to reach the inner wall. Cavity wall construction affords a means of obtaining resistance to rain penetration and walls of this type have come into extensive use where severe exposure to rain has caused leakage problems in solid walls. Influence of Building Design Failure in the design of a building to provide for the accommodation of differential movements between its parts may lead to cracking of the masonry. Suitable design of a building for rain resistance also calls for the provision of adequate flashings and of complete caulking at wall openings.


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Resisting rain penetration with facing brickwork by Michael Hammett Download PDF Ebook

At the completion of each course, the guide line is moved up to the next course. In Resisting rain penetration with facing brickwork book next course up, a header is offset one and a half stretcher lengths to the left of the header in the course below, and then in the third course, a header is offset one stretcher length to the right of the header in the middle course.

Small 30ml sample tubes of Stormdry can be provided on request, allowing you to test compatibility with your specific building materials. As the majority of low-rise residential buildings are constructed using traditional platform frame construction, moisture that penetrates the cladding to the interior wall cavity can cause significant damage to the performance, finishes and structure of a building.

Most forms of physical damp-proofing such as renders, weatherproof paints, cement based pointing and dense plasters are likely to cause a significant drop in the vapour permeability of the wall. Water can also penetrate cracks and openings in the cladding under the influence of gravity.

In cavity wall construction, therefore, the brickwork of the outer "skin" of the wall is not relied upon to prevent moisture penetration. A Modern Solution to an Old Problem Stormdry Masonry Protection Cream is an ideal way to stop penetrating damp from affecting an older building without increasing the risk of trapped moisture and material decay.

Penetrating damp, especially, is a difficult problem to solve. Suitable design of a building for rain resistance also calls for the provision of adequate flashings and of complete caulking at wall openings.

Wet Rot — Rotting skirting boards or timber. Overhead plan for alternate courses of English bond of two bricks' thickness The colour-coded plans highlight facing bricks in the east-west wall.

Typical situations include cornices, roof-top wall projections between houses in a late-Victorian terrace, and inward sloping bed joints in buttresses or 'tumbled-in' gables.

Rain Penetration

E-mail enquiries can also be submitted via the contact form on the right hand side of the page. Some mortars resist loss of moisture better than others. We then protected the wall with Stormdry Masonry Cream, this penetrates deeply into masonry before curing to form a breathable and colourless water repellent barrier.

When units and mortar are not completely bonded together penetration may occur at the interface. Defects in rainwater disposal systems obviously require making good Resisting rain penetration with facing brickwork book, possibly in conjunction with modifications where these are visually acceptable, such as the introduction of overflow pipes above hopper heads.

To overcome leakage between unit and mortar it is necessary to "plug up" the openings. No weep holes above the lintels Rainwater penetrating the walls may only happen when the wind is blowing in a certain direction On the defected wall.

The DPC stops short of the edge of the brickwork. C tray which was damaged and fitted incorrectly by others when installing the lintels.Water penetration is the greatest degrader of mortar, and different mortar joints allow for varying degrees of water-resistance.

Mortar joints in brickwork also take up a surprisingly large amount of a wall’s surface area and have a significant influence on the wall’s overall appearance. ASTM's masonry standards are instrumental in specifying, testing, and evaluating the basic units and materials used in masonry construction.

Such materials include mortar, asbestos, tiles, bricks, cement, aggregates, clay, concrete, fiber, and possible mixtures thereof that are used in conjunction with the erection of building structures.

Structural dampness is the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or condensation from within the structure.

Rain penetration in rendered cavity wall

A high proportion of damp problems in buildings are caused by ambient climate dependent factors of condensation and rain penetration. Capillary penetration of fluid from the ground up through concrete or masonry is known as Rising Damp .Full mortar joints are necessary; incompletely filled joints allow easy pdf of rain.

The resistance of brick masonry walls to rain penetration is improved if the mortar joints of the newly built masonry are tooled to form a concave surface.water out because the weakness in a brick wall is the interface between the brick download pdf the mortar joint.

For this reason, it is important to ensure that a good quality of workmanship is employed at all times. APPLICATION & CONSTRUCTION RAIN PENETRATION OF BRICKWORK WALLS C6 The outer leaf of masonry construction is not watertight!Understanding Masonry Saturation Leakage By Ebook R.

Breathable Damp

Hodgkinson Owner Hodgkinson Company Restoration Lance R. Hodgkinson Most masonry is water resistant, but it is not entirely waterproof. When masonry units are coupled with common sense architecture, masonry surfaces provide a .