Depending upon the form of Micropile created, the capability is created by means of skin friction (the bond involving grout and soil), bearing conditions and the strength of the casing/bar Roof truss installation is difficult and requires specialized expertise and devices. We don’t advocate trying do-it-oneself (DIY) truss alternative. Use https://maps.app.goo.gl/YojC2P1gNve8wSuB6