Always wet the back of the slabs - particularly on hot days, as this helps them stick to the mortar. And you can use a line and spirit level in the same way as you do for the wall itself. You'll need to include supporting piers, spaced no more than 3m apart, when you build a single-skin wall over mm high.
You can also use them in double-skin brick walls as a decorative 'full stop' on which you can put a statue or potted plant, or as supports for gates or uprights for a pergola. They're essential in double-skin walls of 1. The piers we're showing here are built in single-skin walls. Use stretcher bond, and repeat the first two courses until your pier is the required height. To make a solid pier that projects on one side only, lay two header bricks in place of one of the stretchers on the first course, so they project from the wall.
On the second course, cover the projecting part of the headers with a stretcher and cover the inner part with two three-quarter brick stretchers, with a half brick between them. To build a solid pier at the end of the wall that only projects on one side, lay a header brick against the end stretcher on the first course.
Place a half brick parallel to the stretcher, butted against the header.
Rebuilding Lego, Brick by Brick
On the second course, lay two stretcher bricks side by side. End the first course with two three-quarter brick headers. Butt a stretcher against each one, flush with the outer edge, and position a half brick stretcher to complete the final side of the square. On the second course, lay two three-quarter brick headers on that final side and butt a stretcher brick against each one, flush with their outer edges. Weather conditions and ground settlement can cause movement in a brick wall, resulting in serious cracks.
Control joints help to prevent this. A control joint is a continuous vertical gap of unmortared joints, completely separating one section of wall from the next.
You won't need them in a non-structural garden wall of less than 6m. In a wall longer than that, you should include them at 6 metre intervals. The width of the control joint is normally 10mm, or a minimum of 1mm per metre of walling. Each control joint should run right to the top of your wall - including the coping, but not into the footing. They're easier to disguise if you position them where your wall meets an intermediate pier. Build your wall and pier in the usual way, but instead of mortar insert a 10mm-thick polystyrene strip in the vertical joint between them.
Then embed galvanised metal strips with special debonding sleeves in the mortar of the horizontal joints, to allow for any slight movement. When you've finished your wall, run a bead of mastic masonry filler into the joint on both sides to hide the polystyrene strip.
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The easiest way to join a wall to another at right-angles is by using stainless steel connectors bolted to your existing wall. Special wall ties bedded in the new wall will secure it to the connector. You'll need a damp-proof course DPC in the garden wall or it could bridge the house's damp-proof course. Use a roll of polythene damp-proof course that's the same width as your wall.
Start by building the first few courses of your garden wall up to the level of the damp-proof course in your house wall. Lay damp-proof polythene down on the new wall at this level, sandwiching it between layers of mortar and lapping it up the wall of the house by the depth of one brick. Next, use expanding masonry bolts to fix the stainless steel connector to the wall of your house, just above the damp-proof course.
At every third course, hook one of the wall ties onto the steel connector and bed the other end in the mortar on the new wall. You can use a retaining wall to hold back a bank of earth and, in turn, create terracing on different levels in your garden. If you have a particularly steep bank, you hold it back with a series of small walls rather than one tall one. But don't attempt to build any retaining wall over one metre high without getting professional advice first. Natural stone, bricks, concrete blocks and reconstituted stone are all suitable materials.
But if you need a particularly strong wall, it's wise to set reinforcing rods or bars in the footing concrete. Excavate enough soil to give you room for the footing and the wall. If the soil in the bank is loose, hold it back with plywood or corrugated iron secured with metal pegs while you build your wall.
Leave enough room to pack CleanStone grit- and dust-free aggregate between the back of the wall and the soil, and allow a mm depth of top soil. Good drainage is very important for retaining walls. To achieve this, you can either leave some joints unmortared at ground level or just above to create weep holes, or fit a drainage pipe through the wall. Great Days Out. ES Best. ES Shop. Travel Offers.
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Thanks for subscribing! Yes, submit this vote Cancel. You must be logged in to vote. Report Comment. Having established itself in an era when supply chain management was a matter of moving boxes from here to there, the Lego Group had missed a sea change as retail giants like Wal-Mart and Carrefour gained dominance. For nearly six decades, this way of doing business had served the company very well — and then the system started to fail.
In the s, as competitors focused on regearing for the big-box stores, the Lego Group considered its primary challenge to be brand building — despite the fact that its bricks were already among the most recognized toys in the world. By the end of that decade, most of the Lego Group had lost ground to companies that operated with much greater sophistication, companies that analyzed and optimized every cost driver to provide just-in-time service to the behemoths.
To rebuild profitability, the company had to refashion every aspect of its supply chain. That meant eliminating inefficiencies, aligning its innovation capacity with the market, and re-gearing to compete in the new big-box world. This was no small matter for the Lego Group, which by the time CEO Jorgen Vig Knudstorp took the helm in , had grown to roughly 7, employees, working mostly in two factories and three packaging centers — each in a different country — turning out more than 10, permutations of its products packaged in hundreds of configurations.
Diagnosing the Problem The symptoms of a dangerously misaligned supply chain can be deceptive. At the Lego Group, for instance, it took many years of underperformance before the company realized that the supply chain was a major source of its difficulties. From the mids through , the Lego Group moved into video games, TV programs, and retail stores. But the diversification added layers of complexity, and the red ink continued to flow.
In , the family that had founded and run the Lego Group knew they had to change direction. The then CEO Kjeld Kirk Kristiansen, grandson of the carpenter who had launched the company in and created the first snap-together Lego bricks in , convened the leadership team to chart a new course.
Rebuild - Brick by Brick 7 Steps to Rebuilding a Better You (Paperback)
The measures they considered were radical, and to execute them, the Kristiansen family turned to an outsider. Kristiansen had been CEO for 25 years when he stepped aside in October for Knudstorp, then 34, a onetime management consultant who had joined the company in as a director of strategic development.
Was the Lego Group too diversified? Yes, but focus alone was unlikely to be the silver bullet.