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StumbelBloc - Presentation (November 2021)

Stumblelbloc, established by South African entrepreneur Andre Esterhuizen, offers an innovative concept to the construction industry. Throughout Andre's years of experience on various construction projects, he noted a severe lack of skilled labourers, especially in South Africa. <br>Andre's attempt to address this problem and provide assistance to those who are disadvantaged is what gave rise to Stumbelbloc. Andre started to experiment with concrete building blocks that can be produced from moulds at low cost. <br>After three years of extensive experimentation and testing, a suitable mould and blo

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StumbelBloc - Presentation (November 2021)

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  1. http://stumbelbloc.com/

  2. ABOUT US Stumblelbloc, establishedbySouthAfricanentrepreneurAndreEsterhuizen, offersaninnovativeconcepttotheconstructionindustry. ThroughoutAndre's yearsofexperienceonvariousconstructionprojects, henotedaseverelackof skilledlabourers, especiallyinSouthAfrica. Andre'sattempttoaddressthisproblemandprovideassistancetothosewho aredisadvantagediswhatgaverisetoStumbelbloc. Andrestartedto experimentwithconcretebuildingblocksthatcanbeproducedfrommouldsat lowcost. Afterthreeyearsofextensiveexperimentationandtesting, asuitablemouldand blockwasdeveloped. Theblockdesignisuniqueinthattheblocksare interlockingand, therefore, self-aligningandself-levelling. Theblocksresultingfromthemouldscanbeproducedlocallyandbuiltinto structuresusingloworzeroskilledlabour, andwithouttheuseofanyexternal energysource.

  3. THE PROCESS: BLOCK MANUFACTURING SHADE! LUBRICATION! Blockmanufacturingshouldbedoneinsome Lubricatetheentireinnersurfaceofthemould’stwo formofshadeandnotindirectsunlight. halvesusingcookingoilorsimilar. Thisstepisvitalto Directsunlightandextremevariationsof ensureeasyde-moulding. MakesurethatALLinternal temperaturesmaycausetheblockstocrack surfacesandedgesofthemouldsarecoated! beforetheyareproperlycured. SECURE! UPRIGHT! Usethebolts, washers, andwingnutsprovidedtojoin Mouldtostanduprightwithopensideat thetwohalves (YellowandRed) ofmouldtogether. top. Slidethealuminiumstrips/railsdowneachsideofthe joinedmould.

  4. THE PROCESS: CONTINUED GET READY TO FILL! DOWN THE HATCH! Standthemouldwithopensideupona firmsurface. Makeuseofavibrating Fillmouldwith tableifavailable. Alternatively, tapthe cement/concretemixture. mouldwithrubbermallets. MAKE SURE IT FILLS EVENLY! TOP UP & ALLOW TO SET! Whilstfilling, tapbothsidesofthe Whenthemouldhasbeenfilledtothetop mouldtopandbottomfirmlywhenusing giveafinalshakeandtap. Afterafew rubber mallets to ensure that minutesthecementmixwillsettle. Thiswill the cementmixproperlyfillsallthecavities leaveagapof1 – 3mmbetweenthemix of the mould. Note: This step andthetopedgeofthemould. Thisispart is unnecessarywhenusingavibrating ofthedesignofthebrickandmustNOTbe table. “toppedup”.

  5. THE PROCESS: CONTINUED DRYING TIME! CURING THE PERFECT BRICK MOULD! Oncethemouldhasbeenfilled, placeona Leavetocureforaminimumof24hoursor levelfirmsurface, andleavetodry. Donot preferablyaminimumof2nights (Inambient movethefilledmouldforatleast24hours temperaturesbelow16degreesCelsiusandabove3 afterfilling. Movementwillcausetheplastic degreesCelsius) beforede-moulding. Blockmaking mouldtoflexandthefillingmaycrack. shouldnotbeattemptedifambienttemperatureis below5degreesCelsius! DE-MOULD! PATIENCE = PERFECTION! Toremovetheblockfromthe After removing the block from mould. See rapid de-moulding mould, leavetheblocktostandfor videowithairundervideostab. atleast21daystoensureproper setting. Atthisstage, theblockcan beleftinopenair/sunifnecessary whilstcuring.

  6. CONTACT US info@stumbelbloc.com Milnerton, CapeTown, RSA (021) 5511011 5KG http://stumbelbloc.com/

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