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Builders London
* Air leakage this is the amount of air allowed to filter in or out of the dwelling from around the window frame or the window itself. It is measured in cubic feet per minute, per square foot of window area (including frame). The lower the rating, the tighter the window, consequently - the higher the efficiency.
* U-Factor is the rating of how much heat or cold is transmitted through the window panes or glazing. A variation of this rating is the National Fenestration Rating Council U-Factor, which includes the framing and spacer material for an overall rating. The lower the rating, the higher the efficiency of the window.
* Solar heat gain coefficient (SHGC) is the amount of heat that is radiated into a room by direct sunlight entering the window, allowing heat to radiate from surfaces in the room. The lower the rating, the lower the amount of solar heating effect. Windows are available with intentional higher or lower SHGC ratings for different uses. Windows with a higher SHGC rating are good for winter solar heat on sides of a home with solar exposure, whereas windows with a low SHGC rating help keep the exposed sides of the home cooler in summer. One way to change this rating on any window is with window tinting. The addition of window film on the glass panes acts as a shade which reduces solar radiation.
1. Fiona: Tragedy of Todd data: 19.03.08
Police chief Mike Todd was the best cop Greater Manchester had known, according to tributes on the force's website. Only he didn't believe it.
2. City: Severn Trent fined for lying to customers data: 10.04.08
Severn Trent has been fined a record £35.8million for fiddling its figures.
3. Delia Smith's recipes 'have too much salt' data: 07.04.08
A number of Delia Smith's recipes in her How to Cheat at Cooking series contain more salt than the recommended daily intake, food campaigners warn today.
4. Schoolchildren to be offered weapons training data: 07.04.08
Children at comprehensive schools will be asked to sign up for military drills and weapons training under new plans to improve classroom discipline.
5. 'Don't call him Boris,' Tessa Jowell tells Labour data: 07.04.08
Labour ministers and MPs have been banned from referring to Boris Johnson, the Tory candidate for London mayor, by his first name, it emerged yesterday.
6. French demand Betancourt release data: 07.04.08
Marches are held in France to call for the release of French-Colombian Farc hostage Ingrid Betancourt.
7. Trial of 8 in alleged plot to down trans-Atlantic flights starts in London data: 07.04.08
The trial of eight Britons accused of plotting to blow up airliners bound for North America began Wednesday with jury selection for a trial that could last up to eight months.
8. 'I'm on the plane... the PLANE' data: 07.04.08
When passengers can yap into their mobiles in the air, plane travel will be even worse, says Clive James.
9. William Caxton's prayer book saved by National Trust data: 07.04.08
The earliest-known printed book bearing the stamp of William Caxton, the father of British printing, has been saved for the nation by the National Trust at a cost of almost ÂŁ500,000.
10. Scots beaches 'worst for waste' data: 10.04.08
Scottish beaches have the worst levels of sanitary waste in the UK, according to a new survey.
11. Mirror Money: How to stop your mortgage rocketing data: 07.04.08
Worldwide credit crunch is costing the average homebuyer an extra £100 a month.
12. Fayed bid to summon Philip fails data: 19.03.08
Mohamed Al Fayed's bid to compel the Queen and Prince Philip to give evidence at the inquest into the death of Princess Diana has failed
13. Three US troops killed, 31 wounded in Iraq clashes with Shi'ite militia data: 07.04.08
suspected Shiite militants lobbed rockets and mortar shells into the U.S.-protected Green Zone and a military base elsewhere in Baghdad on Sunday, killing three American troops and wounding 31, officials said.
14. What's so bad about Slough? data: 27.03.08
"Slough," which rhymes with "cow" and means "muddy quagmire," is not the only cross the English town has to bear now that a book has appeared, picking on it for being a grim, cheerless wasteland.
15. Yahoo seeks boost from ad sales system data: 07.04.08
New platform aims to simplify significantly the process of buying and selling adverts online and improve Yahoo's value in the face of Microsoft's renewed takeover efforts
16. 'Free CCTV film access for security services' data: 19.03.08
The security services could be given access to footage from CCTV cameras that will allow them to spy on people across the country.
17. BBC and ISPs clash over iPlayer data: 10.04.08
A row breaks out about who should pay for the extra network costs incurred by the BBC's on-demand TV service.
18. Massa leads Ferrari one-two in Bahrain data: 07.04.08
Brazilian Felipe Massa led Ferrari to a one-two victory at the Bahrain Grand Prix on Sunday, with team mate Kimi Raikkonen seizing the championship lead from McLaren's Lewis Hamilton.
19. Cypriots are offered a chance to grieve for victims of conflict data: 27.03.08
In Nicosia's buffer zone separating Greek and Turkish Cypriot communities, families can view at last the remains of relatives who vanished in fighting in the 1960s and 1970s.
20. Irish town takes lead on renewable energy data: 10.04.08
Dundalk's Sustainable Energy Zone is part of a European Union program encouraging small projects that can be expanded to the regional or national level.
21. Zico seeks end to foreign player limits in Turkey data: 10.04.08
Fenerbahce coach Zico has called for an end to restrictions on the number of foreign players at Turkish clubs after Chelsea knocked his side out of the Champions League.
22. Ten Years of Blair: I'VE HAD ENOUGH ..AND SO HAVE YOU! data: 19.03.08
TONY Blair yesterday brought down the curtain on his Premiership in a speech full of pride, passion and humour.
23. Visa and EU may reach deal over charges data: 07.04.08
Visa Europe said it expects to reach an agreement with the European Commission over charges of price-fixing.
24. Serbia's neighbours accept Kosovo data: 19.03.08
Three of Serbia's neighbours - Bulgaria, Croatia and Hungary - have announced they will recognise Kosovo.
25. Richard Hammond: MOT makes me feel like an OAP data: 07.04.08
It's been a great week for older people. But it's also been a week when I've discovered that I'm shortly to be one of them. And I'm not ready.
26. The 'tapas seven' data: 07.04.08
The key witnesses in the Madeleine McCann case
27. Racing: Murphy revels in victory data: 07.04.08
Jockey Timmy Murphy says the Grand National victory on board Comply Or Die is the best result of his career.
28. George Bush empty-handed as last summit with Vladimir Putin ends in failure data: 07.04.08
President George W Bush's last ever summit with Vladimir Putin ended in failure last night when the Russian president stood firm in his opposition to Washington's controversial missile defence shield.
29. Captain Birdseye actor John Hewer dies data: 19.03.08
The actor who starred as Captain Birdseye in the adverts for fish fingers for more than thirty years has died
30. Wine maker insures nose for ÂŁ3.9m data: 19.03.08
A Bordeaux wine maker has insured his nose for ÂŁ3.9 million, the Lloyd's of London insurance market said.
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