What is Injection Waterproofing?

Injection waterproofing is often used to fill and seal cracks and crevices. The material is most often made from a polyurethane compound. The compound is lightweight and expands up to twice its original size when applied to a surface. Many non-toxic and environmentally safe products are available at home improvement stores nationwide. Injection waterproofing is used mainly in foundation crack repairs.

In most foundation cracks, a polyurethane injection can seal the opening. In some smaller cracks it may be apparent that a sealant was used because it may be difficult to evenly inject the compound. Single caulking style cartridges and the dual side-by-side cartridge systems are the types of injection waterproofing compounds available for retail purchase. Both of these are manually injected and easy to pump.

When using an injection waterproofing method, it is important to keep the area dry. Temporarily block any flowing water to the area, and clean and dry the area as needed. Experts say that in the case of water flowing through a hole, you can temporarily caulk the hole with candle wax, modeling clay or plumbers' putty. If the cracks are in narrow or hard-to-reach places, you can use a flexible hose attached to the injector nozzle.

Whatever waterproofing system your leakage problem requires, be sure to do your research. If you choose to make this a do-it-yourself project, make sure you know where your leaks are coming from and the proper method to repair them. When purchasing waterproofing materials you should make sure you are buying the appropriate product for your needs. The National Association of Waterproofing and Structural Repair Contractors (NAWSRC) has tons of information on waterproofing. Whether or not you decide to hire a contractor, this organization can help you from beginning to end.

Waterproofing Info provides detailed information on waterproofing systems, including injection waterproofing, foundation waterproofing, concrete waterproofing, deck waterproofing, basement waterproofing, and waterproofing basement walls, as well as waterproofing contractors and consultants. Waterproofing Info is affiliated with Business Plans by Growthink.

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Palestinians pray over the bodies of  people killed near a United Nations school Tuesday, during their funeral in the Jebaliya refugee camp, in the northern Gaza Strip, Wednesday, Jan. 7, 2009. Israel's military paused its Gaza offensive for three hours Wednesday to allow food and fuel to reach besieged Palestinians, and the country's leaders debated whether to accept an international cease-fire plan or expand the assault against Hamas. With criticism rising of the operation's spiraling civilian death toll and Gazans increasingly suffering the effects of nonstop airstrikes and shelling, Israel's military said it opened 'humanitarian corridors' to allow aid supplies to reach Palestinians.(AP Photo/Hatem Moussa)AP - Israel resumed its Gaza offensive Wednesday, bombing heavily around suspected smuggling tunnels near the border with Egypt after a three-hour lull to allow in humanitarian aid. Hamas responded with a rocket barrage.



President-elect Barack Obama gestures during a news conference at his transition office in Washington, Wednesday, Jan. 7, 2009, where he introduced Nancy Killefer, not shown, to the newly created position of chief performance officer. (AP Photo/Lawrence Jackson)AP - Pointing with concern to "red ink as far as the eye can see," President-elect Barack Obama pledged Wednesday to tackle out-of-control Social Security and Medicare spending and named a special watchdog to clamp down on other federal programs — even as he campaigned anew to spend the largest pile of taxpayer money in history to revive the sinking economy.



Illinois U.S. Senate Appointee Roland Burris, left, meets with Senate Majority Leader Harry Reid of Nev., Wednesday, Jan. 7, 2009, on Capitol Hill in Washington. (AP Photo/Susan Walsh)AP - Senate Democrats beat a hasty retreat Wednesday from their rejection of Roland Burris as President-elect Barack Obama's successor, yielding to pressure from Obama himself and from senators irked that the standoff was draining attention and putting them in a bad light. Burris said with a smile he expected to join them "very shortly."



Rescue workers evacuate residents from a flooded neighborhood along  McCutcheon Rd. near Orting, Wash. Wednesday, Jan. 7, 2009. The rapidly rising Puyallup River forced hundreds of people in the area from their homes. (AP Photo/Ted S. Warren)AP - Rain and high winds lashed Washington state Wednesday, causing widespread avalanches, mudslides, flooding and road closures as the heavy snowfall that has buried parts of the state began to rapidly melt.



President-elect Barack Obama is welcomed by President George W. Bush for a meeting at the White House in Washington, Wednesday, Jan. 7, 2009, with former presidents, from left, George H.W. Bush, Bill  Clinton, and Jimmy Carter.  (AP Photo/J. Scott Applewhite)AP - Confronting a grim economy and a Middle East on fire, Barack Obama turned Wednesday to perhaps the only people on the planet who understand what he's in for: the four living members of the U.S. presidents' club.



Workers put bullet proof glass on President-elect Barack Obama's Inaugural Reviewing Stand on Pennsylvania Avenue in front of the White House in Washington, Monday, Jan. 5, 2009. (AP Photo/Ron Edmonds)AP - The upcoming inauguration of Barack Obama is an attractive target for international and domestic terrorists, but U.S. intelligence officials have no information about specific threats to the Jan. 20 event.



AP - You've heard of making cheese from goats' milk, but prescription drugs? In what would be a scientific first, an anti-clotting drug made from the milk of genetically engineered goats moved closer to government approval Wednesday after experts at the Food and Drug Administration reported that the medication works and its safety is acceptable.

Ellen DeGeneres accepts the favorite funny female star award at the 35th Annual People's Choice Awards on Wednesday Jan. 7, 2009 in Los Angeles. (AP Photo/Matt Sayles)AP - Ellen DeGeneres and "Dancing with the Stars" were early winners at the People's Choice Awards.



Harvard's Jeremy Lin (4) drives for the basket in front of Boston College's Rakim Sanders in the first half of an NCAA college basketball game Wednesday, Jan. 7, 2009, in Boston. (AP Photo/Michael Dwyer)AP - Jeremy Lin scored 27 points to lead Harvard to an 82-70 upset over No. 17 Boston College on Wednesday night, three days after the Eagles upset previously top-ranked North Carolina.



In this Nov. 30, 2008 file photo, New York Jets coach Eric Mangini looks up at the scoreboard during the fourth quarter of an NFL football game against the Denver Broncos at Giants Stadium in East Rutherford, N.J. The Cleveland Browns have agreed to hire Eric Mangini as their head coach, a person with knowledge of the negotiations told The Associated Press, Wednesday, Jan. 7, 2009. (AP Photo/Bill Kostroun, File)AP - Eric Mangini is the new head coach of the Cleveland Browns, a week after being fired by the New York Jets. A person with knowledge of the negotiations told The Associated Press that Mangini will be introduced Thursday at a news conference at the team's headquarters in Berea.



An Israeli soldier stands next to blindfolded Palestinian prisoners after they were arrested during an Israeli military operation in the northern Gaza Strip January 7, 2009, in this picture released by the Israeli Defence Forces (IDF). U.S. Secretary of State Condoleezza Rice said on Wednesday she had pressed Israel to seriously consider an Egyptian ceasefire plan as the U.N. Security Council weighed action to end Israel's attack on Gaza. (IDF/Handout/Reuters)Reuters - Israeli warplanes bombed the Gaza Strip on Thursday and tanks pounded Palestinian guerrillas on the ground as U.S. backing for a proposed truce raised expectations of an end to the offensive.



President Bush greets President-elect Barack Obama at the White House, November 10, 2008. (Joshua Roberts/Reuters)Reuters - The U.S. budget deficit will swell to a record $1.186 trillion in fiscal 2009, congressional forecasters said on Wednesday, the result of an economic recession that has cut tax receipts and caused massive government bailouts of banks and automakers.



Senate-designate Roland Burris talks with Senate Majority Leader Harry Reid in Reid's office on Capitol Hill, January 7, 2009. (Larry Downing/Reuters)Reuters - In an abrupt switch, Democratic leaders began talks on Wednesday to swear in Roland Burris, appointed by embattled Illinois Gov. Rod Blagojevich to replace President-elect Barack Obama in the U.S. Senate.



United Auto Workers (UAW) President Ron Gettelfinger (C) addresses the media as UAW Vice-Presidents listen at the UAW Solidarity House in Detroit, Michigan December 12, 2008. (Rebecca Cook/Reuters)Reuters - United Auto Workers bargaining teams are arriving this week in Detroit as the union gears up for negotiations with General Motors Corp and Chrysler LLC, which are mandated to cut labor costs under a $17.4 billion federal bailout.



Reuters - U.S. cities are vulnerable to an attack like the gun-and-grenade assault that terrorized Mumbai for three days and killed 179 people, the White House homeland security adviser said on Wednesday.

Ali al-Marri, who has been held for 5-1/2 years at a U.S. military prison in South Carolina, is seen in this undated photograph released to Reuters on January 6, 2008. An early test for President-elect Barack Obama will be the case of suspected al Qaeda 'sleeper' agent Marri, which will force Obama to take a position on his predecessor's claim that anyone the president deems a national security threat can be imprisoned indefinitely without charges in the United States. (Handout/Reuters)Reuters - The case of Ali al-Marri, accused of being an al Qaeda "sleeper" agent and held for 5-1/2 years at a U.S. military prison in South Carolina, will be an early test for President-elect Barack Obama.



Eggs are stacked up at an egg farm in San Diego County, July 29, 2008. (Mike Blake/Reuters)Reuters - An outbreak of salmonella food poisoning has made 388 people sick across 42 states, sending 18 percent of them to the hospital, U.S. health officials said on Wednesday.



Bernard Madoff is escorted in a vehicle from Federal Court in New York, January 5, 2009. (Lucas Jackson/Reuters)Reuters - Accused swindler Bernard Madoff should be jailed for violating a court order by mailing $1 million worth of diamonds, watches and other jewelry to friends and family, U.S. prosecutors told a court on Wednesday.



Shoppers at a Lenovo outlet in Beijing. The Chinese computer giant has announced it is set to cut about 2,500 jobs, roughly 11 percent of its worldwide workforce, after suffering losses due to the global economic crisis.(AFP/File/Teh Eng Koon)AFP - Chinese computer giant Lenovo announced Thursday it would cut about 2,500 jobs, roughly 11 percent of its worldwide workforce, after suffering losses due to the global economic crisis.



Smoke billows following an Israel air strike in Rafah near the Gaza Strip's border with Egypt. Israel on Wednesday approved an even tougher war on Hamas, warning residents to flee southern Gaza ahead of planned bombing of cross-border tunnels, as the Palestinian death toll passed 700.(AFP/Said Khatib)AFP - Israel on Wednesday approved an even tougher war on Hamas, warning residents to flee southern Gaza ahead of planned bombing of cross-border tunnels, as the Palestinian death toll passed 700.




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